Warren Daniels Kealoha (3 March 1903 – 8 September 1972) was an American competitive swimmer, Olympic gold medalist, and former world record-holder from Hawaii. He represented the United States in the 1920 Summer Olympics at the age of 16 and 1924 Summer Olympics at the age of 20. In the 1920 Olympics he won a gold medal in 100-meter backstroke event. Four years later he won his second gold medal in 100-meter backstroke event.
He held the world 100m backstroke record for six years, setting his first world record in winning the Olympic title in 1920 and his fourth world record in Honolulu in 1926.
Kealoha later became a successful rancher.