Euphrasia Louise "Fraze" Donnelly (June 6, 1905 – May 20, 1963) was an American competition swimmer, Olympic champion, and former world record-holder.

[1] 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.

[2] Donnelly and her American relay teammates Gertrude Ederle, Ethel Lackie and Mariechen Wehselau set a new world record in the event final of 4:58.8.

Fraze (as she was called by her family and friends) was known for her athleticism and quick sense of humor.

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