diff --git a/pkgs/development/python-modules/bayespy/default.nix b/pkgs/development/python-modules/bayespy/default.nix
new file mode 100644
index 000000000000..9f99708b0714
--- /dev/null
+++ b/pkgs/development/python-modules/bayespy/default.nix
@@ -0,0 +1,32 @@
+{ stdenv, buildPythonPackage, fetchPypi, pythonOlder
+, pytest, glibcLocales
+, numpy, scipy, matplotlib, h5py }:
+
+buildPythonPackage rec {
+  pname = "bayespy";
+  version = "0.5.10";
+  name = "${pname}-${version}";
+
+  # Python 2 not supported and not some old Python 3 because MPL doesn't support
+  # them properly.
+  disabled = pythonOlder "3.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "01cwd88ri29zy6qpvnqzljkgc44n7a17yijizr73blcnh4dz5n1w";
+  };
+
+  checkInputs = [ pytest glibcLocales ];
+  propagatedBuildInputs = [ numpy scipy matplotlib h5py ];
+
+  checkPhase = ''
+    LC_ALL=en_US.utf-8 pytest -k 'not test_message_to_parents'
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://www.bayespy.org;
+    description = "Variational Bayesian inference tools for Python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jluttine ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5ef570bc5e02..fc3faa099efd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -135,6 +135,8 @@ in {
     bap = pkgs.ocamlPackages_4_02.bap;
   };
 
+  bayespy = callPackage ../development/python-modules/bayespy { };
+
   bitcoin-price-api = callPackage ../development/python-modules/bitcoin-price-api { };
 
   blivet = callPackage ../development/python-modules/blivet { };