1943 U.S. National Championships – Men's singles
| Men's singles | |
|---|---|
| 1943 U.S. National Championships | |
| Champion | Joseph Hunt |
| Runner-up | Jack Kramer |
| Score | 6–3, 6–8, 10–8, 6–0 |
Joseph Hunt defeated Jack Kramer 6–3, 6–8, 10–8, 6–0 in the final to win the men's singles tennis title at the 1943 U.S. National Championships.