| Score: | 6–4, 11–9, 6–4 |
| Draw: | 128 (10) |
| Seeds: | 8 |
| Before Name: | Wimbledon Championships – Men's singles |
| After Name: | Wimbledon Championships – Men's singles |
| Type: | grand slam |
See main article: 1966 Wimbledon Championships.
Manuel Santana defeated Dennis Ralston in the final, 6–4, 11–9, 6–4 to win the gentlemen's singles tennis title at the 1966 Wimbledon Championships.[1] Roy Emerson was the defending champion, but lost in the quarterfinals to Owen Davidson.
See also: 1 and 1. 
Roy Emerson (quarterfinals)
See also: 2 and 8. Tony Roche (quarterfinals)
See also: 3 and 6. Fred Stolle (second round)
See also: 4 and 3. 
Manuel Santana (champion)
See also: 5 and 4. John Newcombe (third round)
See also: 6 and 5. 
Dennis Ralston (final)
See also: 7 and 7. Cliff Drysdale (semifinals)
See also: 8 and 2. Clark Graebner (second round)