Rockdale is an electoral district of the Legislative Assembly in the Australian state of New South Wales. It's localities include 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, Sandringham, Sans Souci, Turrella, Wolli Creek.
It is represented by Steve Kamper of the Australian Labor Party.
Rockdale electoral was first created in 1927, with the breakup of the multi-member St George. In 1930, it was abolished and largely replaced by Arncliffe.
Rockdale Council sought a new electorate for Rockdale as early as 1937. In 1941, Arncliffe was abolished and replaced by a recreated Rockdale and Cook's River.