William Cogswell was a U.S. representative from Massachusetts and a colonel in the Union Army during the American Civil War who was appointed to the grade of brevet brigadier general, U.S. Volunteers.
- Occupation
- politician, military officer, lawyer
- Position held
- United States representative, member of the Massachusetts House of Representatives
- Citizenship
- United States
- Born
- August 23, 1838
- Died
- May 22, 1895
