The 2007 Phillips 66 Big 12 Men's Basketball Championship was the 2007 edition of the Big 12 Conference's championship tournament held at the Ford Center in Oklahoma City from March 8 until March 11, 2007. The tournament ended in an 88–84 overtime victory by the #1 seed Kansas Jayhawks over the #3 seed Texas Longhorns, and was the first Big 12 tournament ever to end in an overtime game.