Dandenong ( DAN-de-nong) is a southeastern city of Melbourne, Victoria, Australia, about 29 km (18 mi) from the Melbourne CBD. It is the council seat of the City of Greater Dandenong local government area, with a recorded population of 30,127 at the 2021 census. Situated mainly on the northwest bank of the lower Dandenong Creek, it is 21.6 km (13.4 mi) from the eponymous Dandenong Ranges to its northeast and completely unrelated in both location and nature of the settlement.

In the 2021 census, the most common ancestries were Hazara 9.7%, English 9.7%, Australian 9.1%, Indian 7.1%, Afghan 7.4%. 30.9% of people born in Australia with other common countries of birth being Afghanistan 11.5%, India 9.5%, Sri Lanka 5.4%, Pakistan 4% and North Macedonia 2.7%. Most common languages, other than English spoken at home are Hazaraghi 10.1%, Albanian 5%, Dari 4.4%, Punjabi 4.4% and Tamil 3.5%. Islam is the most common religion with 34.1%, followed by Catholicism 12.3%, Hinduism 7.4% with 13.7% recording no religious affiliation.

Dandenong is primarily a private transport-dependent community due to the relatively poorer public transit compared to other suburbs closer to the CBD. It is served by the Monash Freeway (M1) which passes near its northeast, as well as several other major arterial roads such as the Princes Highway (National Route 1), Stud Road/Dandenong-Frankston Road (State Route 9), Cheltenham Road (Route 10), Heatherton Road (Route 14) and Dandenong Bypass (Route 49). The EastLink (M3) also passes near the western edge of the suburb, and the South Gippsland Highway (Route 12) branches off the Princes Highway at the southeastern corner of the suburb.