| Current position | |
|---|---|
| Title | Head coach |
| Team | Sacramento State |
| Conference | WAC |
| Record | 426–362 (.541) |
| Biographical details | |
| Born | August 28, 1975 Ferndale, California, U.S. |
| Playing career | |
| 1994–1995 | College of the Redwoods |
| 1996–1997 | Menlo College |
| Position(s) | Third baseman |
| Coaching career (HC unless noted) | |
| 1998–1999 | Menlo (asst.) |
| 2001 | Ferndale HS |
| 2002 | Menlo |
| 2003–2004 | Kansas (asst.) |
| 2005–2008 | South Dakota State |
| 2009–2010 | Sacramento State (asst.) |
| 2011–present | Sacramento State |
| Head coaching record | |
| Overall | 522–475 (.524) (NCAA) 11–29 (.275) (NAIA) |
| Tournaments | NCAA: 2–6 |
| Accomplishments and honors | |
| Championships | |
| |
| Awards | |
| |
Reggie Aaron Christiansen (born August 28, 1975)[1] is an American college baseball coach who has served as head coach of the Sacramento State Hornets baseball team since 2011. Christiansen was previously head coach at Menlo and South Dakota State. At Sacramento State, Christiansen has 400 wins, with two Western Athletic Conference Coach of the Year honors in 2012 and 2014 and three appearances in the NCAA tournament in 2014, 2017, and 2019. As of the 2023 season, Sacramento State has won 30+ games 11 consecutive years — the only Division I school in the state of California to accomplish that feat.