Denman is a small rural town in New South Wales, Australia, in Muswellbrook Shire. The town is located on the Golden Highway in the Upper Hunter Region, about north of Sydney. At the 2011 census, Denman had a population of people.
Denman is situated on the Hunter River near the Wollemi National Park. The main rural industries in the Denman region are wine grape growing, horse breeding and farming. Annually, Denman holds the "Food and Wine Affair" on the first Saturday of May.
Denman also is situated 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 Mt 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.