Roisin Gilheany (born 17 May 2005) is a professional Australian tennis player.

She has a career-high WTA ranking in doubles of 414, achieved on 12 August 2024.

She is the daughter of Ireland's Sinead Gilheany and her brother Pierce is a college tennis player in the United States.

She trains at the Soto Tennis Academy in Sotogrande, Spain, and plays for the Port Melbourne Tennis Club.

[2] Gilheany won her first major ITF title at the W60 doubles tournament in Gold Coast, Australia.