Otto Wahle (5 November 1879 – 11 August 1963) was an Austrian-American swimmer[1] who took part in two Summer Olympic Games and won a total of three medals.

[5] He entered the 1000 metre freestyle, finishing second behind Hungarian swimmer Zoltán Halmay, qualifying for the final the next day.

[6] In the final he was beaten by John Arthur Jarvis from Great Britain but finished ahead of Halmay to win the silver medal.

[13] Wahle won a bronze medal in the 440 yard freestyle, finishing behind Americans Charles Daniels and Francis Gailey.

[2][10] Wahle played a major role in the growth of swimming as a competitive sport in the United States and wrote many of the rules listed in early Amateur Athletic Union manuals.