diff --git a/pkgs/development/python-modules/pkuseg/default.nix b/pkgs/development/python-modules/pkuseg/default.nix
new file mode 100644
index 00000000000..3b1c2bd5bce
--- /dev/null
+++ b/pkgs/development/python-modules/pkuseg/default.nix
@@ -0,0 +1,36 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+, cython
+, numpy
+}:
+
+buildPythonPackage rec {
+  pname = "pkuseg";
+  version = "0.0.25";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "148yp0l7h8cflxag62pc1iwj5b5liyljnaxwfjaiqwl96vwjn0fx";
+  };
+
+  # Does not seem to have actual tests, but unittest discover
+  # recognizes some non-tests as tests and fails.
+  doCheck = false;
+
+  nativeBuildInputs = [ cython ];
+
+  propagatedBuildInputs = [ numpy ];
+
+  pythonImportsCheck = [ "pkuseg" ];
+
+  meta = with stdenv.lib; {
+    description = "Toolkit for multi-domain Chinese word segmentation";
+    homepage = "https://github.com/lancopku/pkuseg-python";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ danieldk ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 068132e388d..47e0317a3f9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7330,6 +7330,8 @@ in {
 
   murmurhash = callPackage ../development/python-modules/murmurhash { };
 
+  pkuseg = callPackage ../development/python-modules/pkuseg { };
+
   plac = callPackage ../development/python-modules/plac { };
 
   preshed = callPackage ../development/python-modules/preshed { };