Herbert Ball Crosby (December 24, 1871 – January 11, 1936) was a career officer in the United States Army. A veteran of the Spanish–American War and World War I, he attained the rank of major general as the Army's Chief of Cavalry. After the war, Crosby graduated from the Army's School of the Line, Command and General Staff College, and Army War College; he was an instructor at the Staff College after his graduation, and after he graduated from the War College he served as its deputy commandant. In 1926, Crosby was appointed as the Army's Chief of Cavalry, and he served until retiring in 1930.