Cliff Ellen (born 22 March 1936, in Melbourne) is an Australian actor who played a prominent guest role on soap opera Neighbours as Charlie Cassidy. His first role was in Homicide. His credits include Crackerjack,Garbo, and Phar Lap. A theatre actor of many years, Ellen played the role of Gaston in the Australian touring production of Steve Martin's Picasso at the Lapin Agile as well as Hannie Rayson's Inheritance. He also appeared in the 2006 Australian film BoyTown. Ellen writes a column for a local newspaper based on the Mornington Peninsula.
Cliff Ellen is the nephew of Joff Ellen, Australian television pioneer.