The Real Housewives of Sydney (abbreviated RHOS) is an Australian reality television series that premiered on Arena on 26 February 2017. Developed as an international installment of the American The Real Housewives franchise and the third installment of the franchise by Matchbox Pictures, following The Real Housewives of Melbourne and The Real Housewives of Auckland. It has three seasons and focuses on the personal and professional lives of women living in Sydney, Australia.

The series was cancelled in 2019 after one season, however a revival was announced on 28 April 2023. New episodes premiere exclusively on streaming service Binge, and air same-day on Arena.