diff --git a/examples/stdio.rs b/examples/stdio.rs
index 7fe8a9334..932a934e4 100644
--- a/examples/stdio.rs
+++ b/examples/stdio.rs
@@ -123,6 +123,7 @@ fn show<Fd: AsFd>(fd: Fd) -> io::Result<()> {
                 target_os = "aix",
                 target_os = "emscripten",
                 target_os = "haiku",
+                target_os = "hurd",
                 target_os = "redox",
             )))]
             if term.input_modes.contains(InputModes::IUTF8) {
@@ -217,6 +218,7 @@ fn show<Fd: AsFd>(fd: Fd) -> io::Result<()> {
                 solarish,
                 target_os = "emscripten",
                 target_os = "haiku",
+                target_os = "hurd",
                 target_os = "redox",
             )))]
             if term.control_modes.contains(ControlModes::CMSPAR) {
@@ -297,6 +299,7 @@ fn show<Fd: AsFd>(fd: Fd) -> io::Result<()> {
                 solarish,
                 target_os = "aix",
                 target_os = "haiku",
+                target_os = "hurd",
                 target_os = "nto",
             )))]
             println!(
diff --git a/src/backend/libc/c.rs b/src/backend/libc/c.rs
index eb89fa43a..802d638de 100644
--- a/src/backend/libc/c.rs
+++ b/src/backend/libc/c.rs
@@ -109,7 +109,12 @@ pub(super) use libc::fallocate64 as fallocate;
 #[cfg(not(any(target_arch = "aarch64", target_arch = "riscv64")))]
 #[cfg(any(linux_like, target_os = "aix"))]
 pub(super) use libc::open64 as open;
-#[cfg(any(linux_kernel, target_os = "aix", target_os = "l4re"))]
+#[cfg(any(
+    linux_kernel,
+    target_os = "aix",
+    target_os = "hurd",
+    target_os = "l4re"
+))]
 pub(super) use libc::posix_fallocate64 as posix_fallocate;
 #[cfg(any(all(linux_like, not(target_os = "android")), target_os = "aix"))]
 pub(super) use libc::{blkcnt64_t as blkcnt_t, rlim64_t as rlim_t};
@@ -123,7 +128,7 @@ pub(super) use libc::{
     rlimit64 as rlimit, setrlimit64 as setrlimit, statfs64 as statfs, statvfs64 as statvfs,
     RLIM_INFINITY,
 };
-#[cfg(linux_like)]
+#[cfg(any(linux_like, target_os = "hurd"))]
 pub(super) use libc::{
     fstat64 as fstat, fstatat64 as fstatat, fstatfs64 as fstatfs, fstatvfs64 as fstatvfs,
     ftruncate64 as ftruncate, getrlimit64 as getrlimit, ino64_t as ino_t, lseek64 as lseek,
@@ -144,11 +149,16 @@ pub(super) use libc::{
         target_arch = "mips64r6"
     )
 )))]
-#[cfg(any(linux_like, target_os = "aix"))]
+#[cfg(any(linux_like, target_os = "aix", target_os = "hurd"))]
 pub(super) use libc::{lstat64 as lstat, stat64 as stat};
-#[cfg(any(linux_kernel, target_os = "aix", target_os = "emscripten"))]
+#[cfg(any(
+    linux_kernel,
+    target_os = "aix",
+    target_os = "hurd",
+    target_os = "emscripten"
+))]
 pub(super) use libc::{pread64 as pread, pwrite64 as pwrite};
-#[cfg(any(target_os = "linux", target_os = "emscripten"))]
+#[cfg(any(target_os = "linux", target_os = "hurd", target_os = "emscripten"))]
 pub(super) use libc::{preadv64 as preadv, pwritev64 as pwritev};
 
 #[cfg(all(target_os = "linux", target_env = "gnu"))]
diff --git a/src/backend/libc/fs/dir.rs b/src/backend/libc/fs/dir.rs
index 6cfeb242b..91b06e17f 100644
--- a/src/backend/libc/fs/dir.rs
+++ b/src/backend/libc/fs/dir.rs
@@ -21,9 +21,9 @@ use crate::io;
 #[cfg(feature = "process")]
 use crate::process::fchdir;
 use alloc::borrow::ToOwned;
-#[cfg(not(linux_like))]
+#[cfg(not(any(linux_like, target_os = "hurd")))]
 use c::readdir as libc_readdir;
-#[cfg(linux_like)]
+#[cfg(any(linux_like, target_os = "hurd"))]
 use c::readdir64 as libc_readdir;
 use core::fmt;
 use core::ptr::NonNull;
diff --git a/src/backend/libc/fs/syscalls.rs b/src/backend/libc/fs/syscalls.rs
index 5df25daa9..99ed571c1 100644
--- a/src/backend/libc/fs/syscalls.rs
+++ b/src/backend/libc/fs/syscalls.rs
@@ -125,7 +125,7 @@ fn open_via_syscall(path: &CStr, oflags: OFlags, mode: Mode) -> io::Result<Owned
 pub(crate) fn open(path: &CStr, oflags: OFlags, mode: Mode) -> io::Result<OwnedFd> {
     // Work around <https://sourceware.org/bugzilla/show_bug.cgi?id=17523>.
     // glibc versions before 2.25 don't handle `O_TMPFILE` correctly.
-    #[cfg(all(unix, target_env = "gnu"))]
+    #[cfg(all(unix, target_env = "gnu", not(target_os = "hurd")))]
     if oflags.contains(OFlags::TMPFILE) && crate::backend::if_glibc_is_less_than_2_25() {
         return open_via_syscall(path, oflags, mode);
     }
@@ -153,7 +153,7 @@ pub(crate) fn open(path: &CStr, oflags: OFlags, mode: Mode) -> io::Result<OwnedF
 /// Use a direct syscall (via libc) for `openat`.
 ///
 /// This is only currently necessary as a workaround for old glibc; see below.
-#[cfg(all(unix, target_env = "gnu"))]
+#[cfg(all(unix, target_env = "gnu", not(target_os = "hurd")))]
 fn openat_via_syscall(
     dirfd: BorrowedFd<'_>,
     path: &CStr,
@@ -188,7 +188,7 @@ pub(crate) fn openat(
 ) -> io::Result<OwnedFd> {
     // Work around <https://sourceware.org/bugzilla/show_bug.cgi?id=17523>.
     // glibc versions before 2.25 don't handle `O_TMPFILE` correctly.
-    #[cfg(all(unix, target_env = "gnu"))]
+    #[cfg(all(unix, target_env = "gnu", not(target_os = "hurd")))]
     if oflags.contains(OFlags::TMPFILE) && crate::backend::if_glibc_is_less_than_2_25() {
         return openat_via_syscall(dirfd, path, oflags, mode);
     }
diff --git a/src/backend/libc/fs/types.rs b/src/backend/libc/fs/types.rs
index cf86861dc..29180042d 100644
--- a/src/backend/libc/fs/types.rs
+++ b/src/backend/libc/fs/types.rs
@@ -797,6 +797,7 @@ bitflags! {
             bsd,
             target_os = "aix",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "wasi",
         )))]
         const KEEP_SIZE = bitcast!(c::FALLOC_FL_KEEP_SIZE);
@@ -805,6 +806,7 @@ bitflags! {
             bsd,
             target_os = "aix",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "wasi",
         )))]
         const PUNCH_HOLE = bitcast!(c::FALLOC_FL_PUNCH_HOLE);
@@ -815,6 +817,7 @@ bitflags! {
             target_os = "emscripten",
             target_os = "fuchsia",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "l4re",
             target_os = "linux",
             target_os = "wasi",
@@ -825,6 +828,7 @@ bitflags! {
             bsd,
             target_os = "aix",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "emscripten",
             target_os = "wasi",
         )))]
@@ -834,6 +838,7 @@ bitflags! {
             bsd,
             target_os = "aix",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "emscripten",
             target_os = "wasi",
         )))]
@@ -843,6 +848,7 @@ bitflags! {
             bsd,
             target_os = "aix",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "emscripten",
             target_os = "wasi",
         )))]
@@ -852,6 +858,7 @@ bitflags! {
             bsd,
             target_os = "aix",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "emscripten",
             target_os = "wasi",
         )))]
@@ -940,7 +947,7 @@ pub enum FlockOperation {
 ///
 /// [`statat`]: crate::fs::statat
 /// [`fstat`]: crate::fs::fstat
-#[cfg(not(linux_like))]
+#[cfg(not(any(linux_like, target_os = "hurd")))]
 pub type Stat = c::stat;
 
 /// `struct stat` for use with [`statat`] and [`fstat`].
@@ -949,6 +956,7 @@ pub type Stat = c::stat;
 /// [`fstat`]: crate::fs::fstat
 #[cfg(any(
     all(linux_kernel, target_pointer_width = "64"),
+    target_os = "hurd",
     target_os = "emscripten",
     target_os = "l4re",
 ))]
diff --git a/src/backend/libc/io/errno.rs b/src/backend/libc/io/errno.rs
index 1448fe7bd..a1aada1b3 100644
--- a/src/backend/libc/io/errno.rs
+++ b/src/backend/libc/io/errno.rs
@@ -52,6 +52,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -74,6 +75,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -87,6 +89,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -101,6 +104,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -115,6 +119,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -126,6 +131,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -137,6 +143,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -159,6 +166,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -170,6 +178,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -191,6 +200,7 @@ impl Errno {
         target_os = "android",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "wasi",
     )))]
     pub const DEADLOCK: Self = Self(c::EDEADLOCK);
@@ -214,6 +224,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -246,6 +257,7 @@ impl Errno {
         target_os = "android",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "redox",
@@ -293,6 +305,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -306,6 +319,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -319,6 +333,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -332,6 +347,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -343,6 +359,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -353,6 +370,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -363,6 +381,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -373,6 +392,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -384,6 +404,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -395,6 +416,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -417,6 +439,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -428,6 +451,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -438,6 +462,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -452,6 +477,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -478,6 +504,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -503,6 +530,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -519,6 +547,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -549,6 +578,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -568,6 +598,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -589,6 +620,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -600,6 +632,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -654,6 +687,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -684,6 +718,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -751,6 +786,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -771,6 +807,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -782,6 +819,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -795,6 +833,7 @@ impl Errno {
         target_os = "android",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "redox",
@@ -831,6 +870,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -844,6 +884,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
@@ -877,6 +918,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "nto",
         target_os = "wasi",
@@ -888,6 +930,7 @@ impl Errno {
         windows,
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi"
     )))]
@@ -912,6 +955,7 @@ impl Errno {
         target_os = "aix",
         target_os = "espidf",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "l4re",
         target_os = "wasi",
     )))]
diff --git a/src/backend/libc/process/types.rs b/src/backend/libc/process/types.rs
index 26bae3498..96b2886ea 100644
--- a/src/backend/libc/process/types.rs
+++ b/src/backend/libc/process/types.rs
@@ -82,6 +82,7 @@ pub enum Resource {
         solarish,
         target_os = "aix",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto"
     )))]
     Locks = bitcast!(c::RLIMIT_LOCKS),
@@ -91,6 +92,7 @@ pub enum Resource {
         solarish,
         target_os = "aix",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto"
     )))]
     Sigpending = bitcast!(c::RLIMIT_SIGPENDING),
@@ -100,6 +102,7 @@ pub enum Resource {
         solarish,
         target_os = "aix",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto"
     )))]
     Msgqueue = bitcast!(c::RLIMIT_MSGQUEUE),
@@ -109,6 +112,7 @@ pub enum Resource {
         solarish,
         target_os = "aix",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto"
     )))]
     Nice = bitcast!(c::RLIMIT_NICE),
@@ -118,6 +122,7 @@ pub enum Resource {
         solarish,
         target_os = "aix",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto"
     )))]
     Rtprio = bitcast!(c::RLIMIT_RTPRIO),
@@ -129,6 +134,7 @@ pub enum Resource {
         target_os = "android",
         target_os = "emscripten",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto",
     )))]
     Rttime = bitcast!(c::RLIMIT_RTTIME),
diff --git a/src/ioctl/mod.rs b/src/ioctl/mod.rs
index bf2215ab6..e5742138d 100644
--- a/src/ioctl/mod.rs
+++ b/src/ioctl/mod.rs
@@ -314,8 +314,8 @@ type _RawOpcode = c::c_int;
 #[cfg(all(not(linux_raw), target_os = "android"))]
 type _RawOpcode = c::c_int;
 
-// BSD, Haiku, and Redox use `unsigned long`.
-#[cfg(any(bsd, target_os = "redox", target_os = "haiku"))]
+// BSD, Haiku, Hurd, and Redox use `unsigned long`.
+#[cfg(any(bsd, target_os = "redox", target_os = "haiku", target_os = "hurd"))]
 type _RawOpcode = c::c_ulong;
 
 // AIX, Emscripten, Fuchsia, Solaris, and WASI use a `int`.
diff --git a/src/pipe.rs b/src/pipe.rs
index 2a45b7a9d..1a3f20a65 100644
--- a/src/pipe.rs
+++ b/src/pipe.rs
@@ -39,6 +39,7 @@ pub use backend::pipe::types::{IoSliceRaw, SpliceFlags};
     windows,
     target_os = "espidf",
     target_os = "haiku",
+    target_os = "hurd",
     target_os = "redox",
     target_os = "wasi",
 )))]
diff --git a/src/termios/types.rs b/src/termios/types.rs
index 11ab4a366..33a73767a 100644
--- a/src/termios/types.rs
+++ b/src/termios/types.rs
@@ -289,6 +289,7 @@ bitflags! {
             target_os = "aix",
             target_os = "emscripten",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "redox",
         )))]
         const IUTF8 = c::IUTF8;
@@ -566,6 +567,7 @@ bitflags! {
             target_os = "aix",
             target_os = "emscripten",
             target_os = "haiku",
+            target_os = "hurd",
             target_os = "nto",
             target_os = "redox",
         )))]
@@ -1142,6 +1144,7 @@ impl SpecialCodeIndex {
         solarish,
         target_os = "aix",
         target_os = "haiku",
+        target_os = "hurd",
         target_os = "nto",
     )))]
     pub const VSWTC: Self = Self(c::VSWTC as usize);