Tom Leonard (born July 15, 1948, in Des Moines, Iowa), is a former professional tennis player from the United States.
Leonard enjoyed most of his tennis success while playing doubles. During his career he won 1 doubles title.
While on tour Leonard resided in Carlsbad, California.
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents in the final | Score in the final |
|---|---|---|---|---|---|---|---|
| Winner | 1. | 1971 | South Orange, U.S. | Hard | Bob Carmichael | Clark Graebner Erik Van Dillen |
6–4, 4–6, 6–4 |
| Runner-up | 1. | 1974 | Barcelona WCT, Spain | Carpet | Tom Edlefsen | Arthur Ashe Roscoe Tanner |
3–6, 4–6 |
| Runner-up | 2. | 1977 | Los Angeles, U.S. | Hard | Mike Machette | Sandy Mayer Frew McMillan |
2–6, 3–6 |
| Runner-up | 3. | 1978 | Houston WCT, U.S. | Clay | Mike Machette | Wojtek Fibak Tom Okker |
5–7, 5–7 |
| Runner-up | 4. | 1979 | Montgomery, U.S. | Hard | Jerry Van Linge | Eric Friedler Erik Van Dillen |
6–4, 3–6, 6–7 |