diff --git a/Formula/b/bun.rb b/Formula/b/bun.rb
new file mode 100644
index 0000000000000..06a48c959d0cb
--- /dev/null
+++ b/Formula/b/bun.rb
@@ -0,0 +1,91 @@
+class Bun < Formula
+  desc "Incredibly fast JavaScript runtime, bundler, test runner, and package manager"
+  homepage "https://bun.com"
+  url "https://github.com/oven-sh/bun.git",
+      tag:      "bun-v1.3.0",
+      revision: "b0a6feca57bf5c2a9ec2ef9773499cab7d904b30"
+  license all_of: [
+    "MIT",          # Bun itself and most of the dependencies
+    "Apache-2.0",   # boringssl, simdutf, uSockets, and others
+    "BSD-3-Clause", # boringssl, lol-html
+    "BSD-2-Clause", # libbase64
+    "Zlib",         # zlib
+  ]
+  head "https://github.com/oven-sh/bun.git", branch: "main"
+
+  depends_on "automake" => :build
+  depends_on "ccache" => :build
+  depends_on "cmake" => :build
+  depends_on "coreutils" => :build
+  depends_on "gnu-sed" => :build
+  depends_on "go" => :build
+  depends_on "icu4c@77" => :build
+  depends_on "libtool" => :build
+  depends_on "lld@19" => :build
+  depends_on "llvm@19" => :build
+  depends_on "ninja" => :build
+  depends_on "pkgconf" => :build
+  depends_on "ruby" => :build
+  depends_on "rust" => :build
+
+  on_macos do
+    depends_on "libiconv" => :build
+  end
+
+  # Update the resource only if build fails
+  resource "bun-bootstrap" do
+    on_macos do
+      on_arm do
+        url "https://github.com/oven-sh/bun/releases/download/bun-v1.3.0/bun-darwin-aarch64.zip"
+        sha256 "85848e3f96481efcabe75a500fd3b94b9bb95686ab7ad0a3892976c7be15036a"
+      end
+      on_intel do
+        url "https://github.com/oven-sh/bun/releases/download/bun-v1.3.0/bun-darwin-x64.zip"
+        sha256 "09d54af86ec45354bb63ff7ccc3ce9520d74f4e45f9f7cac8ceb7fac422fcc19"
+      end
+    end
+    on_linux do
+      on_arm do
+        url "https://github.com/oven-sh/bun/releases/download/bun-v1.3.0/bun-linux-aarch64.zip"
+        sha256 "68b7dcd86a35e7d5e156b37e4cef4b4ab6d6b37fd2179570c0e815f13890febd"
+      end
+      on_intel do
+        url "https://github.com/oven-sh/bun/releases/download/bun-v1.3.0/bun-linux-x64.zip"
+        sha256 "60c39d92b8bd090627524c98b3012f0c08dc89024cfdaa7c9c98cb5fd4359376"
+      end
+    end
+  end
+
+  def install
+    ENV.llvm_clang
+
+    resource("bun-bootstrap").stage buildpath/"bootstrap"
+    ENV.prepend_path "PATH", buildpath/"bootstrap"
+
+    # Trying to fix `-Wundefined-var-template` error
+    # TODO: file an issue
+    ENV.append "LDFLAGS", "-undefined dynamic_lookup"
+
+    system "bun", "run", "build:release"
+    bin.install "build/release/bun"
+    bin.install_symlink bin/"bun" => "bunx"
+
+    bash_completion.install "completions/bun.bash" => "bun"
+    zsh_completion.install "completions/bun.zsh" => "_bun"
+    fish_completion.install "completions/bun.fish"
+  end
+
+  test do
+    assert_match version.to_s, shell_output("#{bin}/bun --version")
+
+    system bin/"bun", "init", "--yes"
+    assert_path_exists "bun.lock"
+
+    (testpath/"test.ts").write <<~TYPESCRIPT
+      console.log("Hello world!");
+    TYPESCRIPT
+
+    assert_equal "Hello world!", shell_output("#{bin}/bun run test.ts").chomp
+    assert_match "Hello world!", shell_output("#{bin}/bunx cowsay 'Hello world!'")
+  end
+end
diff --git a/style_exceptions/binary_bootstrap_formula_urls_allowlist.json b/style_exceptions/binary_bootstrap_formula_urls_allowlist.json
index 5dd5fa33a483a..dd65bb1ccbaf5 100644
--- a/style_exceptions/binary_bootstrap_formula_urls_allowlist.json
+++ b/style_exceptions/binary_bootstrap_formula_urls_allowlist.json
@@ -1,4 +1,5 @@
 [
+  "bun",
   "cabal-install",
   "clozure-cl",
   "crystal",