The Charles H. Templeton Sr. Music Museum is a music museum in Starkville, Mississippi. It is located inside and as a part of the Mississippi State University.

Occupying the fourth floor of the Mitchell Memorial Library, the Charles H. Templeton, Sr. Music Museum, also known as the Templeton Ragtime Music Museum or simply the Templeton Museum, offers a vast collection of musical instruments, records, staff music, and pieces. Some of the stuff on display date back to the late 1800s.

It was named after Charles H. Templeton, Sr. who donated the collection to MSU in 1987. The collection was initially displayed on a location in Blackjack Road and was moved to its current home in 2006. The museum features about 22,000 articles of sheet music, 200 pieces, and 12,000 recordings.