Christos Tsiolkas is a Greek-Australian author. He was born and grew up in Melbourne and was educated at Blackburn High School and the University of Melbourne where he completed an Arts Degree in 1987. He edited the student newspaper Farrago in 1988.

Tsiolkas' first novel, Loaded (1995), was filmed as Head On (1998) by director Ana Kokkinos, starring Alex Dimitriades. In 2006, his novel, Dead Europe, won The Age Book of the Year fiction award.

He is openly gay, and a Richmond Football Club supporter.