Kathleen Horvath
| Country (sports) | United States | 
|---|---|
| Residence | Short Hills, New Jersey | 
| Born | August 25, 1965 Chicago, Illinois  | 
| Height | 5 ft 6+1⁄2 in (1.69 m) | 
| Turned pro | 1981 | 
| Retired | 1989 | 
| Plays | Right-handed (two-handed backhand) | 
| Prize money | $220,905 | 
| Singles | |
| Career record | 176–154 | 
| Career titles | 6 | 
| Highest ranking | No. 10 (June 11, 1984) | 
| Grand Slam singles results | |
| Australian Open | 1R (1989) | 
| French Open | QF (1983, 1984) | 
| Wimbledon | 3R (1986) | 
| US Open | 3R (1981, 1986) | 
| Doubles | |
| Career record | 150–132 | 
| Career titles | 3 | 
| Highest ranking | No. 45 (September 12, 1988) | 
| Grand Slam doubles results | |
| Australian Open | 2R (1989) | 
| French Open | SF (1982, 1984) | 
| Wimbledon | 3R (1982) | 
| US Open | 3R (1985) | 
| Grand Slam mixed doubles results | |
| Australian Open | 1R (1989) | 
| French Open | SF (1981) | 
| Wimbledon | 1R (1986) | 
| US Open | SF (1985) | 
Erica Kathleen "Kathy" Horvath (born August 25, 1965) is an American former professional tennis player. She is best known for upsetting world No. 1 Martina Navratilova in the fourth round of the 1983 French Open, delivering her only defeat for the season.