Sisters Beach is a locality and small town located in the Waratah-Wynyard municipality of Tasmania within fifteen minutes of Wynyard, in Tasmania's North West. It is located within the Rocky Cape National Park and is situated on the old horse trail known as the Postman's Track that once formed the only connection between Emu Bay (now Burnie) and the Van Diemen's Land outpost of Stanley.

Sisters Beach Tasmania
Overlooking Sisters Beach
Sisters Beach
Coordinates	40°55′S 145°33′E / 40.917°S 145.550°E / -40.917; 145.550
Population	511 (2021 census)[1]
Postcode(s)	7321
Location	339 km (211 mi) NW of Hobart 184 km (114 mi) W of Launceston 85 km (53 mi) W of Devonport 25 km (16 mi) W of Wynyard
LGA(s)	Waratah-Wynyard Council
State electorate(s)	Braddon
Federal division(s)	Braddon

It has a beach of white sand, approximately three kilometres in length. A unique aspect of Sisters Beach is the prevalence of giant Banksia serrata. It is the only place in Tasmania where they occur.

As of the 2021 census, Sisters Beach had a population of 511.^[1] Building new homes is currently restricted due to the surrounding Rocky Cape National Park. It was originally established by the Irby family, descendants of whom still live in the area.