The Middlebury Historical Society Museum, Archives and Research Center is located near the Middlebury Green on Library Road in Middlebury, Connecticut.

The building, which is on the National Register of Historic Places, began as the Center School, a two-room schoolhouse built in 1897. It later housed the Middlebury Public Library from 1935 until 1972, and has been the home of the historical society since 1975.