1966 Australian Championships – Men's singles
| Men's singles | |
|---|---|
| 1966 Australian Championships | |
| Champion | Roy Emerson |
| Runner-up | Arthur Ashe |
| Score | 6–4, 6–8, 6–2, 6–3 |
| Draw | 64 |
| Seeds | 16 |
First-seeded Roy Emerson defeated Arthur Ashe 6–4, 6–8, 6–2, 6–3 in the final to win the men's singles tennis title at the 1966 Australian Championships.