Cockatoo is a town in Victoria, Australia, 48 km south-east of Melbourne’s central business district, located within the Shire of Cardinia local government area. Cockatoo recorded a population of 4,408 at the 2021 census.

The area is served by bus route 695 operated from Belgrave by Ventura Bus Lines. This service is extended to Westfield Fountain Gate shopping centre on Friday/Saturday (695F) and to Dandenong Market on Tuesdays. This route is about to undergo an extensive overhaul including operating to a 40-minute frequency on weekdays until 10 pm. Other improvements include a new Sunday timetable and a Saturday timetable operating from 6 am to 10 pm. Cockatoo is indirectly served by route 838 (Emerald to Fountain Gate Shopping Centre via Berwick) provided by Cardinia Transit, which connects with route 695 at Emerald.