The 1947 NCAA swimming and diving championships were contested in March 1947 at the Pavilion Pool at the University of Washington in Seattle at the 11th annual NCAA-sanctioned swim meet to determine the team and individual national champions of men's collegiate swimming and diving among its member programs in the United States.

Ohio State topped the team standings for the third consecutive year, capturing the Buckeyes' fourth national title.

Team standings (H) = Hosts (DC) = Defending champions Italics = Debut appearance

Ohio State (DC) 66 Michigan 39 Stanford 24 Michigan State 18 Yale 14 Purdue 10 Washington (H) 8 California 6 La Salle Northwestern 4 Hawaii 3 Rutgers Nebraska 2 Iowa State 1

Individual events Swimming 50-yard freestyle Richard Weinberg Michigan 23.3 100-yard freestyle Richard Weinberg Michigan 52.2 220-yard freestyle Bill Smith Ohio State 2:10.4 440-yard freestyle Bill Smith Ohio State 4:45.2 1,500-meter freestyle George Hoogerhyde Michigan State 19:44.2 150-yard backstroke Harry Holiday Michigan 1:33.6 200-yard butterfly Joe Verdeur La Salle 2:16.8 400-yard freestyle relay William ZemerTed HobertHalo HiroseBill Smith Ohio State 3:30.0 300-yard medley relay Harry HolidayRobert SohlRichard Weinberg Michigan 2:54.9

Diving One-meter diving Miller Anderson (DC) Ohio State 151.10 Three-meter diving Miller Anderson (DC) Ohio State 172.62

See also List of college swimming and diving teams

References