diff --git a/src/backends/reference/workloads/Log.hpp b/src/backends/reference/workloads/Log.hpp
new file mode 100644
index 0000000..98b6b82
--- /dev/null
+++ b/src/backends/reference/workloads/Log.hpp
@@ -0,0 +1,23 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <iostream>
+
+namespace armnn
+{
+    template<typename T>
+struct log : public std::unary_function<T, T>
+    {
+        T
+        operator () (const T&  inputData) const
+        {
+            // computes natural logarithm of inputData
+            return std::log(inputData);
+        }
+    };
+
+} //namespace armnn