Mark Steven Kotsay
- Bats Left, Throws Left
- Height 6' 0", Weight 180 lb.
- School California State University, Fullerton
- High School Santa Fe High School (Santa Fe Springs)
- Debut July 11, 1997
- Final Game September 29, 2013
- Born December 2, 1975 in Whittier, CA USA
Mark Kotsay won a bronze medal for the United States at the 1996 Olympics in Atlanta, GA. Kotsay was also dominant pitcher in college and won the Golden Spikes Award in 1995. Kotsay was the 1995 College World Series Most Outstanding Player.
After working for one season in the San Diego Padres front office following his retirement as a player, on December 1, 2014, Kotsay was hired as the team's hitting coach for the 2015 season, replacing Phil Plantier. In 2016, he moved to the Oakland Athletics as bench coach under manager Bob Melvin.