Montpelier Carnegie Library, also known as the Public Library of Montpelier and Harrison Township, is a historic Carnegie library located at Montpelier, Blackford County, Indiana. It was built in 1908, and is a one-story, rectangular, brick and limestone building. A brick addition was erected in 1992. Its construction was funded with $10,000 from Andrew Carnegie.It was listed on the National Register of Historic Places in 2007.
