Anthony Steven Kalloniatis (born August 23, 1967), known by his stage name Ant, is an American stand-up comedian, actor, and TV show host. Ant performed at comedy clubs across the US beginning in 1991.

In 1995, he was a semi-regular cast member on the WB series Unhappily Ever After, spending four seasons on the sitcom. He appeared as a contestant on Last Comic Standing, competing in seasons two and three. He hosted VH1’s reality series Celebrity Fit Club, and was a regular judge of talent on Steve Harvey's Big Time.