The 1977 NCAA Men's Water Polo Championship was the ninth annual NCAA Men's Water Polo Championship to determine the national champion of NCAA men's college water polo. Tournament matches were played at the at Brown University in Providence, Rhode Island during December 1977. California defeated UC Irvine in the final, 8–6, to win their fourth national title. This was a rematch of the 1973, 1974, and 1975 finals, all won by the Golden Bears.