1946 U.S. National Championships – Men's singles
| Men's singles | |
|---|---|
| 1946 U.S. National Championships | |
| Champion | Jack Kramer |
| Runner-up | Tom Brown |
| Score | 9–7, 6–3, 6–0 |
Jack Kramer defeated Tom Brown 9–7, 6–3, 6–0 in the final to win the men's singles tennis title at the 1946 U.S. National Championships.