Clyde Acle Swendsen (May 25, 1895 – December 1, 1979) was an American diver, water polo player and coach.

[1] He won the AAU titles in the 10 m platform in 1918 and the springboard in 1919–20 and competed at the 1920 Summer Olympics.

After the Olympics, he had a long career as a diving, swimming and water polo coach.

He trained 17 Olympians including Frank Kurtz, Vicki Draves, Elizabeth Becker-Pinkston, Dorothy Poynton-Hill, Harold Smith, Buster Crabbe and Johnny Weissmuller.

[2] Swendsen was born in Washington state but lived most of his life in Los Angeles.