Ellen Rosemary Crozier is a fictional character on the New Zealand soap opera Shortland Street, who was portrayed by Robyn Malcolm for nearly six years in the mid to late 1990s.

Robyn Jane Malcolm is a New Zealand actress, who first gained recognition for her role as nurse Ellen Crozier on the soap opera Shortland Street. She is best known for playing Cheryl West, matriarch to a sometimes criminal working-class family, in the television series Outrageous Fortune. She has also worked in Australia, including roles in the TV series Rake and Upper Middle Bogan. She plays the lead role in the six-part 2023 NZ drama After the Party.