Wendy Playfair Williams (28 August 1926 – 11 March 2026) was an Australian radio, television and film character actress, best known for her roles in television serials.

Playfair started her career in radio serials, but became best known for her stint in television series Prisoner in 1983-1984 as inmate Minerva "Minnie" Donovan. Playfair's other important roles were in the television series Home and Away and the 2009 film Accidents Happen starring Geena Davis.

Wendy Playfair was born in Woollahra, Sydney, New South Wales, on 28 August 1926, to Edmund Strathmore Creer (Strath) Playfair (1894–1965) and Kathleen Ryrie (Babs) née Campbell (1899–1989). She was the third of four sisters. Direct descendants of famous Sydney butcher, politician and philanthropist John Thomas Playfair, the family were well-to-do, socially prominent and in the meat trade.

While still at school, Playfair joined Bryant's Playhouse, a Little Theatre group. She went on to study with other Little Theatres after she finished school, attending drama classes at night, while working an office job during the day. As radio work picked up, she gave up her office job to focus on her acting career.

Playfair started her career in radio, where she worked for the ABC and consistently in morning serials for Grace Gibson, as well as in many radio plays. Playfair received the radio Macquarie Award. Prior to television she had also appeared in a few stage roles, but was best known as a radio performer.

She was a staple on the small screen in character roles from 1960, when she appeared in the television adaptation of a production of the play The Slaughter of St Theresa's Day.

Playfair primarily appeared in cameo roles, with guesting roles in series starting from the late 1960s until 2013, such as Homicide, Hunter, The Young Doctors, Return to Eden, Spirited, Rake and Packed to the Rafters.

However, she had several parts as different characters in serials A Country Practice (three roles), Home and Away (two roles) and All Saints (two roles).