Dennis F. Coughlin
- Bats Unknown, Throws Unknown
- Debut April 27, 1872
- Final Game June 26, 1872
- Born January 1844 in New York USA
- Died May 14, 1913 in Washington, DC USA
Dennis Coughlin is remembered as the only major leaguer who was wounded in combat in the Civil War. He was a sergeant in the 104th New York State Infantry Company. After his time in baseball, he worked in the U.S. Treasury Department for 45 years.