| Country (sports) |  Great Britain |
|---|---|
| Born | 22 July 1944 Dundee, Scotland |
| Turned pro | 1959 (amateur tour) |
| Retired | 1979 |
| Singles | |
| Career record | 335–190 |
| Career titles | 23 |
| Grand Slam singles results | |
| French Open | 3R (1963) |
| Wimbledon | 4R (1965, 1968) |
| US Open | QF (1971) |
| Doubles | |
| Career record | 25–12 |
| Grand Slam doubles results | |
| Wimbledon | SF (1972) |
| US Open | SF (1968) |
| Grand Slam mixed doubles results | |
| Wimbledon | QF (1976) |
| US Open | 3R (1969, 1971) |
| Team competitions | |
| Wightman Cup | F (1967, 1970, 1971, 1972) |
Joyce Williams (née Barclay; born 22 July 1944) also known as Joyce Barclay is a retired tennis player from Scotland who was active in the 1960s and 1970s.