1955 U.S. National Championships – Men's singles
| Men's singles | |
|---|---|
| 1955 U.S. National Championships | |
| Champion | Tony Trabert |
| Runner-up | Ken Rosewall |
| Score | 9–7, 6–3, 6–3 |
Tony Trabert defeated Ken Rosewall 9–7, 6–3, 6–3 in the final to win the men's singles tennis title at the 1955 U.S. National Championships.