The Dominican Penguins are the athletics teams that represent Dominican University of California, located in San Rafael, California, in intercollegiate sports as a member of the Division II level of the National Collegiate Athletic Association (NCAA), primarily competing in the Pacific West Conference as a provisional member for most of their sports since the 2009–10 academic year (achieving D-II full member status in 2011–12);[2][3] while its men's lacrosse team competes in the Western Collegiate Lacrosse League (WCLL) at the Division I level of the Men's Collegiate Lacrosse Association (MCLA).

[4] The Penguins previously competed in the California Pacific Conference (Cal Pac) of the National Association of Intercollegiate Athletics (NAIA) from 1996–97 to 2008–09.

The John F. Allen Athletics Complex opened in 2012 and boasts Kennelly Field and the Castellucci Family Tennis Center.

In 2015, the construction of Penguin Field provided an on-campus home to the Softball team for the first time and completed the John F. Allen Athletics Complex.

[5] In 2008 Dominican began a transition to NCAA Division II membership[6] and in 2009 joined the Pacific West Conference.