James William Forsyth was a U.S. Army officer and general. He was primarily a Union staff officer during the American Civil War and cavalry regimental commander during the American Indian Wars. Forsyth is best known for having commanded the 7th Cavalry at the Wounded Knee Massacre on December 29, 1890, during which more than 250 men, women, and children of the Lakota were killed and more than 50 were wounded.