Melissa Thomas (born November 1, 1974) is a retired Australian actress. She is the daughter of the musician and record producer G. Wayne Thomas, (Morning of the Earth) and co-starred and friend with Heath Ledger in the television series Sweat (1996).

Thomas moved to Los Angeles in 1999. She wrote a thirteen part series and sold the rights for an undisclosed amount, she worked between various networks CBS, NBC & ABC. Thomas returned to Australia in late 2003; settled into family life and lives in Sydney with her four children.