Kathryn "Katie" Aselton is an American film director, producer, and actress from Milbridge, Maine. She is married to her co-star on The League, Mark Duplass.
- Known For: Acting
- Birthday: 1978-10-01
- Place of Birth: Milbridge - Maine - USA
- Also Known As: Kathryn Aselton , Katie Aselton Duplass, Kathryn Anne Aselton