Union Hall is a historic Grange meeting hall located in the hamlet of Point Peninsula, Lyme, Jefferson County, New York. It was built in 1908, and is a two-story, wood-frame building. It has a front gable roof and sits on a limestone foundation. At the ground floor is a commercial storefront.
It was added to the National Register of Historic Places in 1990 as one result of a study of historic resources of Lyme.