diff --git a/Formula/z/zstd.rb b/Formula/z/zstd.rb
new file mode 100644
index 00000000000..e733d620c49
--- /dev/null
+++ b/Formula/z/zstd.rb
@@ -0,0 +1,67 @@
+class Zstd < Formula
+  desc "Zstandard is a real-time compression algorithm"
+  homepage "https://facebook.github.io/zstd/"
+  url "https://github.com/facebook/zstd/archive/refs/tags/v1.5.6.tar.gz"
+  mirror "http://fresh-center.net/linux/misc/zstd-1.5.6.tar.gz"
+  mirror "http://fresh-center.net/linux/misc/legacy/zstd-1.5.6.tar.gz"
+  sha256 "30f35f71c1203369dc979ecde0400ffea93c27391bfd2ac5a9715d2173d92ff7"
+  license all_of: [
+    { any_of: ["BSD-3-Clause", "GPL-2.0-only"] },
+    "BSD-2-Clause", # programs/zstdgrep, lib/libzstd.pc.in
+    "MIT", # lib/dictBuilder/divsufsort.c
+  ]
+  head "https://github.com/facebook/zstd.git", branch: "dev"
+
+  # The upstream repository contains old, one-off tags (5.5.5, 6.6.6) that are
+  # higher than current versions, so we check the "latest" release instead.
+  livecheck do
+    url :stable
+    strategy :github_latest
+  end
+
+  bottle do
+    root_url "https://github.com/gromgit/homebrew-core-aarch64_linux/releases/download/zstd-1.5.6"
+    sha256 cellar: :any_skip_relocation, aarch64_linux: "d1ad2634b12791c751384df62456e27b56b5f1fa7031e270cde780f7dfdd699d"
+  end
+
+  depends_on "cmake" => :build
+  depends_on "lz4"
+  depends_on "xz"
+
+  uses_from_macos "zlib"
+
+  def install
+    # Legacy support is the default after
+    # https://github.com/facebook/zstd/commit/db104f6e839cbef94df4df8268b5fecb58471274
+    # Set it to `ON` to be explicit about the configuration.
+    system "cmake", "-S", "build/cmake", "-B", "builddir",
+                    "-DZSTD_PROGRAMS_LINK_SHARED=ON", # link `zstd` to `libzstd`
+                    "-DZSTD_BUILD_CONTRIB=ON",
+                    "-DCMAKE_INSTALL_RPATH=#{rpath}",
+                    "-DZSTD_LEGACY_SUPPORT=ON",
+                    "-DZSTD_ZLIB_SUPPORT=ON",
+                    "-DZSTD_LZMA_SUPPORT=ON",
+                    "-DZSTD_LZ4_SUPPORT=ON",
+                    "-DCMAKE_CXX_STANDARD=11",
+                    *std_cmake_args
+    system "cmake", "--build", "builddir"
+    system "cmake", "--install", "builddir"
+
+    # Prevent dependents from relying on fragile Cellar paths.
+    # https://github.com/ocaml/ocaml/issues/12431
+    inreplace lib/"pkgconfig/libzstd.pc", prefix, opt_prefix
+  end
+
+  test do
+    [bin/"zstd", bin/"pzstd", "xz", "lz4", "gzip"].each do |prog|
+      data = "Hello, #{prog}"
+      assert_equal data, pipe_output("#{bin}/zstd -d", pipe_output(prog, data))
+      if prog.to_s.end_with?("zstd")
+        # `pzstd` can only decompress zstd-compressed data.
+        assert_equal data, pipe_output("#{bin}/pzstd -d", pipe_output(prog, data))
+      else
+        assert_equal data, pipe_output("#{prog} -d", pipe_output("#{bin}/zstd --format=#{prog}", data))
+      end
+    end
+  end
+end