Helen Zerefos OAM (born 8 November 1937) is an Australian coloratura soprano. Her career has spanned more than 50 years on stage, television, in nightclubs, concerts and recordings. Zerefos was born in Scone, New South Wales to Greek parents, Paul and Katina. Her career was launched in 1961, at a time when musical variety shows were popular on television. She was the first person of Greek heritage to be a regular artist on Australian television. Zerefos was encouraged to pursue a career in America but her marriage in 1971 and strong family ties kept her in Australia.