The Watts Free Library is a historic library located on Third Street in Leonard, North Dakota.

It was built in 1911 and dedicated in 1913 with funding from Edgerton Watts.

The library was closed in 1968 but reopened in 1972.

It was listed on the National Register of Historic Places in 1990.

This article about a property in North Dakota on the National Register of Historic Places is a stub.