Jython is a Java implementation of the Python language. It allows users to compile Python source code to Java byte codes, and run the resulting bytecodes on any Java Virtual Machine. It is the successor to JPython.

An implementation of the high-level, dynamic, object-oriented language, Python, seamlessly integrated with the Java platform. The predecessor to Jython, JPython, is certified as 100% pure Java.

Jython, formerly known as JPython, is an implementation of the Python programming language written in Java. It was originally created by Jim Hugunin.