diff --git a/pkgs/tools/misc/cowsay/default.nix b/pkgs/tools/misc/cowsay/default.nix
new file mode 100644
index 000000000000..19747e92f0f6
--- /dev/null
+++ b/pkgs/tools/misc/cowsay/default.nix
@@ -0,0 +1,13 @@
+{ stdenv, fetchurl, perl }:
+
+stdenv.mkDerivation {
+  name = "cowsay-3.03";
+  src = fetchurl {
+    url = http://www.nog.net/~tony/warez/cowsay-3.03.tar.gz;
+    sha256 = "1bxj802na2si2bk5zh7n0b7c33mg8a5n2wnvh0vihl9bmjkp51hb";
+  };
+  buildInputs = [perl];
+  installPhase = ''
+    bash ./install.sh $out
+  '';
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7b43cae587e6..7281b659ce22 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -505,6 +505,8 @@ let
 
   convertlit = callPackage ../tools/text/convertlit { };
 
+  cowsay = callPackage ../tools/misc/cowsay { };
+
   unifdef = callPackage ../development/tools/misc/unifdef { };
 
   usb_modeswitch = callPackage ../development/tools/misc/usb-modeswitch { };