|Full name||Euphrasia Louise Donnelly|
|National team||United States|
June 6, 1905|
May 20, 1963 57) (aged|
|Height||5 ft 4 in (1.63 m)|
|Club||Hoosier Athletic Club|
Euphrasia Louise Donnelly (June 6, 1905 – May 20, 1963) was an American competition swimmer, Olympic champion, and former world record-holder. Donnelly represented the United States at the 1924 Summer Olympics in Paris, where she won a gold medal as a member of the winning U.S. team in the women's 4×100-meter freestyle relay event. Donnelly and her American relay teammates Gertrude Ederle, Ethel Lackie and Mariechen Wehselau set a new world record in the event final of 4:48.8.
- List of Olympic medalists in swimming (women)
- World record progression 4 × 100 metres freestyle relay
- Sports-Reference.com, Olympic Sports, Athletes, Fraze Donnelly. Retrieved November 22, 2012.
- Sports-Reference.com, Olympic Sports, United States Swimming at the 1924 Paris Summer Games. Retrieved November 22, 2012.
- Euphrasia Donnelly – Olympic athlete profile at Sports-Reference.com
- Euphrasia Donnelly – Olympic Games results at databaseOlympics.com
- Euphrasia Donnelly – profile at The Blackburn Family Association