Washington University in Saint Louis
- Location: St. Louis, MO
- Nickname: Bears
- Conference University Athletic Association 1989-present; College Athletic Conference 1963-1972; Missouri Valley Conference 1947
- Division: III
The most prominent major league player to come from Washington University in Saint Louis as of 2006 is Dal Maxvill. Other alumni include Dave Sisler and Art Bader, who studied law there while playing minor league baseball. The school was a founding member of the College Athletic Conference in 1963 and the University Athletic Association in 1989.