diff --git a/pkgs/tools/misc/cowsay/default.nix b/pkgs/tools/misc/cowsay/default.nix
new file mode 100644
index 00000000000..0a7b079445d
--- /dev/null
+++ b/pkgs/tools/misc/cowsay/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, fetchgit, perl }:
+
+stdenv.mkDerivation {
+  name = "cowsay-3.03+dfsg1-16";
+
+  src = fetchgit {
+    url = https://anonscm.debian.org/git/collab-maint/cowsay.git;
+    rev = "acb946c166fa3b9526b9c471ef1330f9f89f9c8b";
+    sha256 = "1ji66nrdcc8sh79hwils3nbaj897s352r5wp7kzjwiym8bm2azk6";
+  };
+
+  buildInputs = [ perl ];
+
+  installPhase = ''
+    bash ./install.sh $out
+  '';
+
+  meta = {
+    description = "A program which generates ASCII pictures of a cow with a message";
+    homepage = http://www.nog.net/~tony/warez/cowsay.shtml;
+    platforms = stdenv.lib.platforms.all;
+    maintainers = [ stdenv.lib.maintainers.rob ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6672f3550a4..0d918e26b04 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -741,6 +741,8 @@ in
 
   corosync = callPackage ../servers/corosync { };
 
+  cowsay = callPackage ../tools/misc/cowsay { };
+
   cherrytree = callPackage ../applications/misc/cherrytree { };
 
   chntpw = callPackage ../tools/security/chntpw { };