The 1955 NCAA basketball tournament involved 24 schools playing in single-elimination play to determine the national champion of men's NCAA Division I college basketball.
It began on March 8, 1955, and ended with the championship game on March 19 in Kansas City, Missouri.
San Francisco, coached by Phil Woolpert, won the national title with a 77–63 victory in the final game over La Salle, coached by Ken Loeffler.
Bill Russell of San Francisco was named the tournament's Most Outstanding Player.
The following are the sites selected to host each round of the 1955 tournament: