Karl Truesdell (August 27, 1882 – July 16, 1955) was a career officer in the United States Army who attained the rank of major general and was a veteran of both World War I and World War II. He was most notable for his leadership assignments as commander of the 1st Infantry Division and VI Corps, and commandant of the United States Army Command and General Staff College. In retirement, Truesdell was a resident of Chevy Chase, Maryland and maintained a summer home in Silver Lake, New York. He died in Silver Lake on July 16, 1955 and was buried at Arlington National Cemetery.