The 1946 NCAA Men's Division I Basketball Tournament involved 8 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball. It began on March 21, 1946, and ended with the championship game on March 26 in New York City. A total of 10 games were played, including a third place game in each region and a national third place game.
Oklahoma A&M, coached by Henry Iba, won the national title with a 43-40 victory in the final game over North Carolina, coached by Ben Carnevale. Bob Kurland of Oklahoma A&M was named the tournament's Most Outstanding Player.
This was the first tournament to have four teams advance to the final site, though not the first to have a true "Final Four" format (that would not occur until 1952). The two regional losers played in the national third-place game, while the two winners played for the championship.