The 2011–12 Oregon State Beavers men's basketball team represented Oregon State University in the 2011–12 NCAA Division I men's basketball season. Head coach Craig Robinson was in his fourth year with the team. The Beavers played their home games at Gill Coliseum in Corvallis, Oregon and are a member of the Pac-12 Conference. They finished with record of 21–15 overall, 7–11 in Pac-12 play. They lost in the semifinals of the Pac-12 Basketball tournament to Arizona. They were invited to the 2012 College Basketball Invitational where they defeated Western Illinois in the first round and TCU in the quarterfinals before losing to Washington State in the semifinals.