| Reggie Christiansen | |
| Current Title: | Head coach |
| Current Team: | Sacramento State |
| Current Conference: | WAC |
| Birth Date: | 28 August 1975 |
| Birth Place: | Ferndale, California, U.S. |
| Player Years1: | 1994–1995 |
| Player Team1: | College of the Redwoods |
| Player Years2: | 1996–1997 |
| Player Team2: | Menlo College |
| Player Positions: | Third baseman |
| Coach Years1: | 1998–1999 |
| Coach Team1: | Menlo (asst.) |
| Coach Years2: | 2001 |
| Coach Team2: | Ferndale HS |
| Coach Years3: | 2002 |
| Coach Team3: | Menlo |
| Coach Years4: | 2003–2004 |
| Coach Team4: | Kansas (asst.) |
| Coach Years5: | 2005–2008 |
| Coach Team5: | South Dakota State |
| Coach Years6: | 2009–2010 |
| Coach Team6: | Sacramento State (asst.) |
| Coach Years7: | 2011–present |
| Coach Team7: | Sacramento State |
| Overall Record: | (NCAA) (NAIA) |
| Tournament Record: | NCAA: 2–6 |
| Championships: |
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| Awards: |
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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.
Originally from Ferndale, California, Christiansen attended Menlo College, where he played on the Menlo Oaks baseball team at third base from 1996 to 1997.[2] Christiansen graduated from Menlo College in 1998 with a bachelor's degree in business administration.[1]
After his playing career ended, Christiansen was assistant coach at Menlo College in 1998 and 1999.[3] [1] In the spring of 2001, Christiansen was head baseball coach at Ferndale High School.[1] Hired on September 1, 2001, Christiansen returned to Menlo College as head coach, with an 11–29 record in the 2002 season.[2] [3]
In 2003 and 2004, Christiansen was as an assistant coach at Kansas, in which the Jayhawks set several program offensive records and led the Big 12 in batting in the 2004 season. He then served as head coach of the South Dakota State during its transition from Division II to Division I from 2005 to 2008.[4]
From 2009 to 2010, Christiansen was an assistant at Sacramento State before being elevated to the top job beginning in 2011.[5]
In 2012, Christiansen was the Western Athletic Conference (WAC) Coach of the Year for a turnaround season elevating Sacramento State from last place to regular season co-champions.[6]
As of the 2023 season, Christiansen is 400–331 at Sacramento State with two regular season WAC titles (2012 and 2014), three WAC tournament titles (2014, 2017, and 2019), and three NCAA tournament appearances (2014, 2017, and 2019).