Klæbu is a former municipality located in the southern part of the Trondheim Region in Trøndelag county, Norway. It was situated approximately 20 kilometres south of the city of Trondheim and existed as an independent administrative entity from 1838 until its dissolution in 2020.
Following its dissolution, Klæbu was incorporated into the neighboring Trondheim Municipality. The village of Klæbu served as the municipality's administrative center, while Tanem was identified as another major village within the former municipal boundaries.