| Score: | 6–3, 1–6, 6–1 |
| Draw: | 80 (5) |
| Seeds: | 4 |
| After Name: | Wimbledon Championships – Mixed doubles |
| Before Name: | Wimbledon Championships – Mixed doubles |
| Type: | grand slam |
See main article: 1931 Wimbledon Championships. Jack Crawford and Elizabeth Ryan were the defending champions, but did not participate.
George Lott and Anna Harper defeated Ian Collins and Joan Ridley in the final, 6–3, 1–6, 6–1 to win the mixed doubles tennis title at the 1931 Wimbledon Championships.[1] [2]
See also: 1 and 5. 
Henri Cochet / 
Eileen Fearnley-Whittingstall (fourth round)
See also: 2 and 1. Pat Spence / Betty Nuthall (semifinals)
See also: 3 and 7. Vernon Kirby / 
Josane Sigart (quarterfinals)
See also: 4 and 3. Pat Hughes / Ermyntrude Harvey (fourth round)
The nationality of Miss Partner is unknown.