The Faulkner & Colony Woolen Mill is an historic mill building located at 222 West Street in Keene, New Hampshire. It was added to the National Register of Historical Places (NRHP) in 2020. The main building was constructed in 1838, and subsequently expanded in 1859. The mill was named after Francis Faulkner and Josiah Colony, who owned multiple mills along the Ashuelot River. In addition to the main mill building, a former boarding house (built 1810) and a storehouse (built 1859) are included in the NRHP listing. The mill provided material for many uses, including to the U.S. military during the Civil War, World War I, and World War II.