Demetri Martin
- Birthday: 1973-05-25
- Place of birth: New York, New York, U.S.A.
- Also know as: Dimitrios Evangelos Martin
Demetri Evan Martin is an American comedian, actor, director, cartoonist and musician. He was a contributor on The Daily Show. In stand-up, he is known for his deadpan delivery, playing his guitar for jokes, and his satirical cartoons.
