Holla is a former municipality in Telemark county, Norway. The 252-square-kilometre (97 sq mi) municipality existed from 1838 until its dissolution in 1964. The area is now part of Nome Municipality. The administrative centre was the village of Ulefoss. The municipality was considered part of the traditional district of Grenland, but in 1964 it became been part of the new Nome municipality which has been considered to be part of the Midt-Telemark district.

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.