Gary Donnelly
| Country (sports) | United States | 
|---|---|
| Born | June 3, 1962 Phoenix, United States  | 
| Height | 6 ft 3 in (1.91 m) | 
| Turned pro | 1983 | 
| Retired | 2000 | 
| Plays | Right-handed | 
| Prize money | $370,579 | 
| Singles | |
| Career record | 13–32 | 
| Career titles | 0 | 
| Highest ranking | No. 48 (October 11, 1986) | 
| Grand Slam singles results | |
| Australian Open | 1R (1987) | 
| French Open | 1R (1987) | 
| Wimbledon | 1R (1987) | 
| US Open | 4R (1986) | 
| Doubles | |
| Career record | 177–129 | 
| Career titles | 8 | 
| Highest ranking | No. 16 (November 3, 1986) | 
| Grand Slam doubles results | |
| Australian Open | 3R (1987) | 
| French Open | SF (1987) | 
| Wimbledon | F (1986) | 
| US Open | SF (1985) | 
Gary Donnelly (born June 3, 1962) is a former professional tennis player from the United States.
Donnelly still lives in Phoenix with his five children and wife, where he is a club pro at the Scottsdale Arizona Inn.
Donnelly played college tennis at Arizona State University.