diff --git a/pkgs/by-name/wa/wavelib/package.nix b/pkgs/by-name/wa/wavelib/package.nix
new file mode 100644
index 000000000000..01d458c9ac6a
--- /dev/null
+++ b/pkgs/by-name/wa/wavelib/package.nix
@@ -0,0 +1,40 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  cmake,
+}:
+
+stdenv.mkDerivation {
+  pname = "wavelib";
+  version = "0-unstable-2025-12-12";
+
+  src = fetchFromGitHub {
+    owner = "rafat";
+    repo = "wavelib";
+    rev = "7f61bf592f3c470b2a7d8199431fde821d7253ac";
+    hash = "sha256-M8HnyZ/ARnF7D7GuTx7vhuaJtpQVl5sV2qBe0LBynW4=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  doCheck = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
+  checkPhase = ''
+    runHook preCheck
+    Bin/Release/wavelibLibTests
+    runHook postCheck
+  '';
+
+  # Don't install the test binary
+  postInstall = ''
+    rm -r $out/bin
+  '';
+
+  meta = {
+    description = "C Implementation of Discrete Wavelet Transform (DWT,SWT and MODWT)";
+    homepage = "https://github.com/rafat/wavelib";
+    license = lib.licenses.bsd3;
+    platforms = lib.platforms.all;
+    maintainers = with lib.maintainers; [ rowanG077 ];
+  };
+}