Winona Closterman (September 15, 1877 in Cincinnati, Ohio – July 23, 1944) was an American female tennis player.
At the U.S. National Championships in 1902, she reached the doubles finals with Maud Banks[1] and the singles quarterfinals (before falling to Carrie Neely).
In 1901, she beat two future "International Tennis Hall of Famers" players en route to the singles title.
[citation needed] At the Western Tennis Championships in Chicago, Closterman won the 1906 singles title (defeating Miriam Steever in the final), and reached three additional singles finals: 1901, 1903 and 1907.
[citation needed] At the Southern Women's Tennis Championship, she was a singles finalist in 1901.