| Full name | George Livingston Shiras |
|---|---|
| Country (sports) |  United States |
| Residence | Laguna Hills, California |
| Born | 21 August 1959 Norwalk, Connecticut |
| Height | 6 ft 0 in (1.83 m) |
| Turned pro | 1981 |
| Retired | 1991 |
| Plays | Right-handed |
| College | Princeton |
| Prize money | $467,156 |
| Singles | |
| Career record | 71–102 |
| Career titles | 0 |
| Highest ranking | No. 31 (30 July 1984) |
| Grand Slam singles results | |
| Australian Open | 3R (1985) |
| French Open | 2R (1990) |
| Wimbledon | 4R (1989) |
| US Open | 2R (1989) |
| Doubles | |
| Career record | 49–90 |
| Career titles | 0 |
| Highest ranking | No. 57 (17 October 1988) |
George Livingston "Leif" Shiras (born August 21, 1959) is an American former professional tennis player and current tennis commentator.