Sauherad is a former municipality in Telemark county, Norway. It was part of the traditional region of Midt-Telemark. The 321-square-kilometre (124 sq mi) municipality existed from 1838 until its dissolution in 2020. The area is now part of Midt-Telemark Municipality and Notodden Municipality. The administrative centre was the village of Akkerhaugen. Other villages in the municipality included Gvarv, Holtsås, Hjukse, Hjuksebø, Nordagutu, and Sauherad. Sauherad bordered the municipalities of Kongsberg, Skien, Nome, Bø, and Notodden.

Telemark is a county and a current electoral district in Norway. Telemark borders the counties of Vestfold, Buskerud, Vestland, Rogaland and Agder. In 2020, Telemark merged with the county of Vestfold to form the county of Vestfold og Telemark. On 1 January 2024, the county of Telemark was re-established after Vestfold og Telemark was divided again.