Seth Michael Etherton
- Bats Right, Throws Right
- Height 6' 1", Weight 200 lb.
- School University of Southern California
- High School Dana Hills High School
- Debut May 26, 2000
- Final Game June 3, 2006
- Born October 17, 1976 in Laguna Beach, CA USA
Seth Etherton became a pitching coach for the University of San Francisco in 2014-2015, Billings Mustangs in 2016-2017, and Dayton Dragons in 2018-2019. He was scheduled to be pitching coach of the Chattanooga Lookouts in 2020 before the season was cancelled due to Covid-19. Etherton was pitching coach of the Louisville Bats in 2021.