Rockdale is an electoral district of the Legislative Assembly in the Australian state of New South Wales.

On its current boundaries, Rockdale takes in the suburbs of Arncliffe, Banksia, Bardwell Park, Bardwell Valley, Beverley Park, Bexley, Bexley North, Brighton-Le-Sands, Dolls Point,Kogarah,Kogarah Bay, Kyeemagh, Monterey, Ramsgate, Ramsgate Beach, Rockdale, Sandrigham, Sans Souci, Turella and Wolli Creek.

[1] It is represented by Steve Kamper of the Labor Party.

Rockdale electoral district was first created in 1927, with the breakup of the multi-member St George.

[2] In 1941, Arncliffe was abolished and replaced by a recreated Rockdale and Cook's River.