| Score: | 6–2, 3–6, 6–3 |
| Draw: | 80 (5) |
| Seeds: | 4 |
| After Name: | Wimbledon Championships – Mixed doubles |
| Before Name: | Wimbledon Championships – Mixed doubles |
| Type: | grand slam |
See main article: 1948 Wimbledon Championships. John Bromwich and Louise Brough successfully defended their title, defeating Frank Sedgman and Doris Hart in the final, 6–2, 3–6, 6–3 to win the mixed doubles tennis title at the 1948 Wimbledon Championships.[1] [2]
See also: 1 and 8. 
John Bromwich / 
Louise Brough (champions)
See also: 2 and 1. Tom Brown / Margaret Osborne (semifinals)
See also: 3 and 6. Jaroslav Drobný / Pat Todd (semifinals)
See also: 4 and 3. Frank Sedgman / Doris Hart (final)