Katie Aselton
- Birthday: 1978-10-01
- Place of birth: Milbridge - Maine - USA
- Also know as: Kathryn Aselton
Kathryn "Katie" Aselton (born October 1, 1978) is an American film director, producer, and actress from Milbridge, Maine. She is married to her co-star on The League, Mark Duplass.
