The 2006 Big Ten men's basketball tournament was played between March 9 and March 12, 2006 at the Conseco Fieldhouse in Indianapolis, Indiana. It was the ninth annual Big Ten men's basketball tournament. For the third straight year, the top two seed met in the championship game. The championship was won by Iowa Hawkeyes who defeated Ohio State to win the championship. As a result, Iowa received the Big Ten's automatic bid to the NCAA tournament. This marked Iowa's second tournament championship in three appearances.
