Klæbu is a former municipality in Trøndelag county, Norway. It existed from 1838 until its dissolution in 2020 when it was incorporated into the neighboring Trondheim Municipality. It was located in the southern part of the Trondheim Region, about 20 kilometres (12 mi) south of the city of Trondheim. The administrative center was the village of Klæbu. The other major village in Klæbu municipality was Tanem.

Trøndelag (Urban East Norwegian: [ˈtrœ̂ndəˌlɑːɡ]; or Trööndelage  is a county and coextensive with the Trøndelag region in the central part of Norway. It was created in 1687, then named Trondhjem County ; in 1804 the county was split into Nord-Trøndelag and Sør-Trøndelag by the King of Denmark-Norway, and the counties were reunited in 2018 after a vote of the two counties in 2016.