† – Conference champion ‡ – Tournament champion y – Invited to the NCAA Tournament Rankings from Collegiate Baseball[1]
The 2006 Big 12 Conference Baseball Tournament was held at AT&T Bricktown Ballpark in Oklahoma City, OK from May 24 through May 28. Kansas won their first tournament and earned the Big 12 Conference's automatic bid to the 2006 NCAA Division I Baseball Tournament. This was the first year that the tournament adopted a round-robin format, with the winners of two 4-team pools facing off in a championship game.