| Score: | 6–4, 7–5 |
| Draw: | 64 (3) |
| Seeds: | 4 |
| Type: | grand slam |
See main article: 1975 Wimbledon Championships. Owen Davidson and Billie Jean King were the defending champions, but Davidson did not compete. King partnered with Tony Roche but withdrew in the third round.
Marty Riessen and Margaret Court defeated Allan Stone and Betty Stöve in the final, 6–4, 7–5 to win the mixed doubles tennis title at the 1975 Wimbledon Championships.[1]
See also: 1 and 1. 
Marty Riessen / 
Margaret Court (champions)
See also: 2 and 4. Tony Roche / Billie Jean King (third round)
See also: 3 and 2. Jan Kodeš / Martina Navrátilová (semifinals)
See also: 4 and 3. Alex Metreveli / Olga Morozova (semifinals)