Denman is a small town in New South Wales, Australia, in Muswellbrook Shire. It is on the Golden Highway in the Upper Hunter Region, about north of Sydney. At the , Denman had a population of .
Denman is situated on the Hunter River near the Wollemi National Park. The main rural industries in the region are wine grape growing, horse breeding and farming.
Denman is also near Mount Rombo, a hill that has an unusual geometric shape causing to look like it has a perfectly flat top if it is viewed from Mangoola Road, a road that branches off the Golden Highway
About north-west of Denman, in the Goulburn River National Park, is Mount Dangar, with an elevation of . It was sighted in 1824 by surveyor Henry Dangar, who named it Mount Cupola (for its domed shape). It was renamed by explorer Allan Cunningham, who became the first European to climb it the following year. Mount Dangar is a good place for walks, offering exceptional views of the area.
Defence Establishment Myambat, the Australian Defence Force's largest munitions storage facility, is located around 10 kilometres west of Denman.
Denman has a number of heritage-listed sites, including:
OsbornâÂÂs Buses runs route 415 from Muswellbrook to Denman on weekdays. There are approximately 15 services per week in each direction.
According to the 2021 Census, there were people in Denman.