Flesberg stave church is a stave church located in Flesberg, Numedal in Norway. It was probably built around 1200 A.D., the first written references to the church is from 1359. The church was originally a 3-shiped church but was rebuilt as a cross church during a restoration in 1735.

The Flesberg stave church was probably rebuilt several times before the great restoration in 1735. Compared to other stave churches it is scarcely decorated on the inside.