Ellen Crosby Roosevelt (August 20, 1868 in Rosendale, New York– September 26, 1954 in Hyde Park, New York) was an American tennis player.

 

She won the women's singles title and the women's doubles title (with her sister Grace) at the 1890 U.S. Championships and the mixed doubles title at the 1893 U.S. Championships.

 

A first cousin of Franklin D. Roosevelt, she was inducted into the International Tennis Hall of Fame in 1975.