Allen Hawthorne Behr (17 May 1890 – October 1970) was an American tennis player.

[1] He originally played on amateur USNLTA Circuit starting in June 1909 at his first singles competition at the Metropolitan Championships of New York played at the West Side Tennis Club, with a draw of eighty he lost in the preliminary round.

He was a finalist at the Cannes Gallia Club Championship losing to Henri Cochet.

[1] He won the Cannes Beau Site Hotel New Year Meeting against Charles Aeschlimann.

[4] In 1932 he reached the quarter finals stage of the Eastern Professional Championships, but lost to Hans Nüsslein the World No 1 player,[1][5] the same year he took part in the U.S.