| Lady Keystone Open |
| TORNEO FEMMINILE |
| SPORTSMAN'S GOLF COURSE - HARRISBURG (PENNSYLVANIA) |
| 1975 |
Susie BERNING (USA) |
| 1976 |
Susie BERNING (USA) |
| ARMITAGE GOLF CLUB - MECHANICSBURG (PENNSYLVANIA |
| 1977 |
Sandra SPUZICH (USA) |
| HERSHEY COUNTRY CLUB (WEST COURSE) - HERSHEY (PENNSYLVANIA) |
| 1978 |
Pat BRADLEY (USA) |
| 1979 |
Nancy LOPEZ (USA) |
| 1980 |
JoAnne CARNER (USA) |
| 1981 |
JoAnne CARNER (USA) |
| 1982 |
Jan STEPHENSON (AUS) |
| 1983 |
Jan STEPHENSON (AUS) |
| 1984 |
Amy ALCOTT (USA) |
| 1985 |
Juli INKSTER (USA) |
| 1986 |
Juli INKSTER (USA) |
| 1987 |
Ayako OKAMOTO (JPN) |
| 1988 |
Shirley FURLONG (USA) |
| 1989 |
Laura DAVIES (ENG) |
| 1990 |
Cathy GERRING (USA) |
| 1991 |
Colleen WALKER (USA) |
| 1992 |
Danielle AMMACCAPANE (USA) |
| 1993 |
Val SKINNER (USA) |
| 1994 |
Elaine CROSBY (USA) |