Brian Patrick O'Connor is an American college baseball head coach of the Mississippi State Bulldogs. He previously served as head coach of the Virginia Cavaliers from 2004 to 2025. O'Connor led the Cavaliers to fourteen NCAA baseball tournaments and seven College World Series Appearances during his time in Charlottesville, including the 2009 College World Series, the first in school history; the 2011 College World Series, as the No. 1 national seed; the 2014 College World Series, as the No. 3 national seed; and the 2015 College World Series, which they won and became National Champions for the first time in school history.
- Occupation
- baseball player
- Citizenship
- United States
- Born
- April 21, 1971