Gwen Thiele (née O'Halloran; 23 March 1918 – 16 November 1979) was an Australian tennis player.

She competed in the Australian Open from 1937 to 1965.

[1] She was posthumously inducted into the South Australian Legend's Club in 2019.

Thiele on 30 December 1944.

This biographical article relating to Australian tennis is a stub.