John Lyman Chatfield (1826–1863) was a Union Army colonel in the American Civil War. He was mortally wounded while assaulting Fort Wagner, South Carolina on July 18, 1863, and died on August 9, 1863.
- Occupation
- military personnel
- Citizenship
- United States
- Born
- September 13, 1826
- Died
- August 9, 1863
