Number One is a small rural locality in the Mid North Coast region, located within the Mid-Coast Council local government area of New South Wales, Australia. It is situated approximately 360 kilometres (220 mi) north of Sydney.

Number One New South Wales
Number One
Coordinates	31°44′S 152°04′E / 31.733°S 152.067°E / -31.733; 152.067
Population	27 (2021 census)[1]
Postcode(s)	2424
Location	360 km (224 mi) from Sydney 220 km (137 mi) from Newcastle 58 km (36 mi) from Taree
LGA(s)	Mid-Coast Council
State electorate(s)	Myall Lakes
Federal division(s)	Lyne

At the 2021 census, the town reported a resident population of 27. The median age is 53.

The Nowendoc River, a perennial river of the Manning River catchment runs through the location.