Kevin Robert Elz, often referred to in computing circles as Robert Elz, or simply kre, is a computer programmer and a pioneer in connecting Australia to the Internet. Some of his achievements have included developing a number of important Internet RFC documents, helping connect Australia to the world-wide Internet, developing the internet-based research network within Australia, and operating the .au domain name from 1986 through to the late 1990s.

He is employed by the University of Melbourne.