Heidelberg is affiliated with
NCAA Division III athletics and is a member of the
Ohio Athletic Conference. Heidelberg is the oldest member of the OAC, which is the third oldest conference in the Nation and was founded in 1902. Heidelberg has won 46
Ohio Athletic Conference championships in the history of the athletic program, which dates back to 1892. The school has the mascot "Student Prince," originating from the
Sigmund Romberg operetta
of the same name. Heidelberg University's history of intercollegiate athletics dates back to 1892, when The Berg beat Findlay in football, 20–0. Since then, the athletic program has grown to 22 teams competing at the NCAA Division III level in the Ohio Athletic Conference.
Esports were added in 2023–2024. Volleyball has qualified for the NCAA Tournament eight times (2007–2012, 2015–2016). They have won six OAC regular season titles (1986, 2009–2011, 2013, 2015) and two tournament titles (2010, 2015). On the gridiron, the Student Princes won the 1972 Amos Alonzo Stagg Bowl under the guidance of head coach Pete Riesen. Men's cross country had four-straight seasons of qualifying for the NCAA Championship (2006, 2007, 2008, 2009) and seven overall in school history (1997, 1998, 1999). They also captured their fourth OAC Championships in 2009, which added to their titles in 1998, 1999 and 2000. The Berg men's cross country team also was honored by the USTFCCCA in 2009 by having the second highest GPA in NCAA DIII and the fourth highest in the nation among all cross country teams in any division. The wrestling team captured OAC Tournament Championships in 2006, 2007, 2008, 2009, and 2010. The wrestlers were also OAC Regular Season Championships in 2006, 2008, and 2009. Baseball has won two regional titles and seven OAC Championships. They were OAC Tournament Champions 2004, 2008, 2009, and 2010 and regular season champions in 2003, 2007, 2008, 2009, 2010, 2015, and 2019. In 2010, they also captured their first NCAA Regional Championship and finished fourth in the nation at the NCAA DIII Baseball World Series. Heidelberg hosted, and won, the first-ever Mideast Super Regional in 2019, sweeping The College of Wooster. The men's track and field team also had success when it placed 14th in the nation in 2007. The team also captured its third OAC Outdoor Track and Field Championship in 2010, adding it to the championship years of 1999 and 2000. The Heidelberg men's running program (Cross Country, Indoor Track & Field, Outdoor Track & Field) in the 2009–2010 school year finished as the 14th best program among NCAA DIII schools because of their high event finishes at the NCAA Division III National Championships. ==Notable alumni==