1947 U.S. National Championships – Men's singles
| Men's singles | |
|---|---|
| 1947 U.S. National Championships | |
| Champion | Jack Kramer |
| Runner-up | Frank Parker |
| Score | 4–6, 2–6, 6–1, 6–0, 6–3 |
Jack Kramer defeated Frank Parker 4–6, 2–6, 6–1, 6–0, 6–3 in the final to win the men's singles tennis title at the 1947 U.S. National Championships.