Croydon South is a suburb of Melbourne, Victoria, Australia, 29 kilometres (18 mi) east of Melbourne's Central Business District, located within the City of Maroondah local government area.

[1] Croydon South has two main retail areas, Eastfield Shopping Centre on the corner of Eastfield and Bayswater Roads, and Merrindale Shopping Centre on Dorset Road.

Croydon South Post Office opened on 1 February 1961 as the suburb was developed.

[8] In July 2008, it was proposed that Croydon South Primary School and Tinternvale Primary School merge and be located on the site of Tinternvale, due to falling enrolments at Croydon South.

[6] The Education Department agreed to a large increase in funding for the merger at the Tinternvale site and to bring the newly merged school into line with current standards.