diff --git a/lib/licenses.nix b/lib/licenses.nix
index 2d4e52ae4806..c370af346791 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -387,6 +387,14 @@ lib.mapAttrs (n: v: v // { shortName = n; }) rec {
     fullName = "ISC License";
   };
 
+  # Proprietary binaries; free to redistribute without modification.
+  issl = {
+    fullName = "Intel Simplified Software License";
+    url = https://software.intel.com/en-us/license/intel-simplified-software-license;
+    free = false;
+  };
+
+
   lgpl2 = spdx {
     spdxId = "LGPL-2.0";
     fullName = "GNU Library General Public License v2 only";
diff --git a/pkgs/development/libraries/science/math/mkl/default.nix b/pkgs/development/libraries/science/math/mkl/default.nix
new file mode 100644
index 000000000000..37814047f975
--- /dev/null
+++ b/pkgs/development/libraries/science/math/mkl/default.nix
@@ -0,0 +1,85 @@
+{ stdenvNoCC, writeText, fetchurl, rpmextract, undmg }:
+/*
+  Some (but not all) mkl functions require openmp, but Intel does not add these
+  to SO_NEEDED and instructs users to put openmp on their LD_LIBRARY_PATH. If
+  you are using mkl and your library/application is using some of the functions
+  that require openmp, add a setupHook like this to your package:
+
+  setupHook = writeText "setup-hook.sh" ''
+    addOpenmp() {
+        addToSearchPath LD_LIBRARY_PATH ${openmp}/lib
+    }
+    addEnvHooks "$targetOffset" addOpenmp
+  '';
+
+  We do not add the setup hook here, because avoiding it allows this large
+  package to be a fixed-output derivation with better cache efficiency.
+ */
+
+stdenvNoCC.mkDerivation rec {
+  name = "mkl-${version}";
+  version = "${date}.${rel}";
+  date = "2019.0";
+  rel = "117";
+
+  src = if stdenvNoCC.isDarwin
+    then
+      (fetchurl {
+        url = "http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/13565/m_mkl_${version}.dmg";
+        sha256 = "1f1jppac7vqwn00hkws0p4njx38ajh0n25bsjyb5d7jcacwfvm02";
+      })
+    else
+      (fetchurl {
+        url = "http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/13575/l_mkl_${version}.tgz";
+        sha256 = "1bf7i54iqlf7x7fn8kqwmi06g30sxr6nq3ac0r871i6g0p3y47sf";
+      });
+
+  buildInputs = if stdenvNoCC.isDarwin then [ undmg ] else [ rpmextract ];
+
+  buildPhase = if stdenvNoCC.isDarwin then ''
+      for f in Contents/Resources/pkg/*.tgz; do
+          tar xzvf $f
+      done
+  '' else ''
+    rpmextract rpm/intel-mkl-common-c-${date}-${rel}-${date}-${rel}.noarch.rpm
+    rpmextract rpm/intel-mkl-core-rt-${date}-${rel}-${date}-${rel}.x86_64.rpm
+  '';
+
+  installPhase = if stdenvNoCC.isDarwin then ''
+      mkdir -p $out/lib
+      cp -r compilers_and_libraries_${version}/mac/mkl/include $out/
+      cp -r compilers_and_libraries_${version}/mac/mkl/lib/* $out/lib/
+      cp -r compilers_and_libraries_${version}/licensing/mkl/en/license.txt $out/lib/
+  '' else ''
+      mkdir -p $out/lib
+      cp -r opt/intel/compilers_and_libraries_${version}/linux/mkl/include $out/
+      cp -r opt/intel/compilers_and_libraries_${version}/linux/mkl/lib/intel64_lin/* $out/lib/
+      cp license.txt $out/lib/
+  '';
+
+  # Per license agreement, do not modify the binary
+  dontStrip = true;
+  dontPatchELF = true;
+
+  # Since these are unmodified binaries from Intel, they do not depend on stdenv
+  # and we can make them fixed-output derivations for cache efficiency.
+  outputHashAlgo = "sha256";
+  outputHashMode = "recursive";
+  outputHash = if stdenvNoCC.isDarwin
+    then "1224dln7n8px1rk8biiggf77wjhxh8mzw0hd8zlyjm8i6j8w7i12"
+    else "0d8ai0wi8drp071acqkm1wv6vyg12010y843y56zzi1pql81xqvx";
+
+  meta = with stdenvNoCC.lib; {
+    description = "Intel Math Kernel Library";
+    longDescription = ''
+      Intel Math Kernel Library (Intel MKL) optimizes code with minimal effort
+      for future generations of Intel processors. It is compatible with your
+      choice of compilers, languages, operating systems, and linking and
+      threading models.
+    '';
+    homepage = https://software.intel.com/en-us/mkl;
+    license = [ licenses.issl licenses.unfreeRedistributable ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" ];
+    maintainers = [ maintainers.bhipple ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 630a170f65f4..0a3da230798e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21066,6 +21066,8 @@ with pkgs;
 
   m4rie = callPackage ../development/libraries/science/math/m4rie { };
 
+  mkl = callPackage ../development/libraries/science/math/mkl { };
+
   nasc = callPackage ../applications/science/math/nasc { };
 
   openblas = callPackage ../development/libraries/science/math/openblas { };