Doon Doon New South Wales
Doon Doon
Coordinates	28°29′36.6″S 153°17′57.4″E / 28.493500°S 153.299278°E / -28.493500; 153.299278
Population	97 (2016 census)[1]
Postcode(s)	2484
Time zone	AEST (UTC+10)
• Summer (DST)	AEDT (UTC+11)
Location	20 km (12 mi) SW of Murwillumbah 40 km (25 mi) SW of Tweed Heads 630 km (391 mi) NW of Sydney
LGA(s)	Tweed Shire
Region	Northern Rivers
State electorate(s)	Lismore
Federal division(s)	Richmond

Doon Doon is a small rural locality approximately 40 kilometres (25 mi) south-west of Tweed Heads in the Tweed Shire, part of the Northern Rivers region of New South Wales, Australia.

At the 2016 census, the town recorded a population of 97, with a median age of 57.