Cumston Hall, located in Monmouth, Maine, is a historic community building constructed in 1900. It serves as a prominent example of wooden Romanesque Revival architecture and was a gift from Dr. Charles M. Cumston. The hall currently houses the Cumston Public Library and is the performance venue for various theatrical groups, including the Theater at Monmouth and the Monmouth Community Players. It also hosts numerous public functions and community events, functioning as a central hub for the town.

