Harden Shire was a local government area in the South West Slopes region of New South Wales, Australia. The Shire included the twin towns of Harden and Murrumburrah and the small towns of Galong, Jugiong, Wombat and . The Shire was established in 1975 from the merger of the with Demondrille Shire. In 2016, Harden Shire was amalgamated with Boorowa Shire and Young Shire to create Hilltops Council. The last mayor of Harden Shire was Cr. John Horton, an unaligned politician.