| Score: | 6–1, 6–4 |
| Draw: | 81 (4) |
| Seeds: | 8 |
| After Name: | Wimbledon Championships – Mixed doubles |
| Before Name: | Wimbledon Championships – Mixed doubles |
| Type: | grand slam |
See main article: 1938 Wimbledon Championships. Don Budge and Alice Marble successfully defended their title, defeating Henner Henkel and Sarah Fabyan in the final, 6–1, 6–4 to win the mixed doubles tennis title at the 1938 Wimbledon Championships.[1] [2]
See also: 1 and 8. 
Don Budge / Alice Marble (champions)
See also: 2 and 1. Henner Henkel / Sarah Fabyan (final)
See also: 3 and 6. Gene Mako / 
Jadwiga Jędrzejowska (second round)
See also: 4 and 3. Dragutin Mitić / 
Simonne Mathieu (second round)
See also: 5 and 4. Christian Boussus / 
Nancye Wynne (quarterfinals)
See also: 6 and 7. Jean Borotra / Helen Moody (quarterfinals)
See also: 7 and 2. 
John Olliff / Bobbie Heine Miller (quarterfinals)
See also: 8 and 5. Jacques Brugnon / Thelma Coyne (quarterfinals)
The nationality of Mrs WT Cooke is unknown.