Joseph K. Mansfield

Joseph K. Mansfield
Joseph K. Mansfield
	Maj. Gen. Joseph K. Mansfield, photograph by Mathew Brady
Born	December 22, 1803; New Haven, Connecticut, US
Died	September 18, 1862 (aged 58); Sharpsburg, Maryland, US
Allegiance	United States
Branch	United States Army; Union Army
Service years	1822–1862
Rank	Major General
Commands	Department of Washington; XII Corps
Conflicts	Mexican–American War Siege of Fort Texas; Battle of Monterrey; Battle of Buena Vista; ; American Civil War Battle of Hampton Roads; Maryland campaign Battle of Antietam †; ; ;
Children	Samuel M. Mansfield (son)
Relations	Howard M. Burnham (nephew); Joseph G. Totten (cousin)

Joseph King Fenno Mansfield (December 22, 1803 – September 18, 1862) was a career United States Army officer and civil engineer. He served as a Union general in the American Civil War and was mortally wounded at the Battle of Antietam.