| Gwen Thiele | |
| Fullname: | Gwen O'Halloran Thiele |
| Birth Date: | 1918 3, df=yes |
| Australianopenresult: | 3R (1937, 1938, 1939) |
| Australianopendoublesresult: | F (1955) |
| Australianopenmixedresult: | F (1952) |
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.[2]
She married A.R. Thiele on 30 December 1944.[3]