Lieutenant Colonel William Kinsey Bolton CBE VD (2 November 1861 – 8 September 1941) was the commanding officer of the Australian 8th Battalion AIF during World War I for the landings at Gallipoli on 25 April 1915. He was the inaugural National President of the Returned and Services League of Australia (RSL) 1916-19. He was a Nationalist Senator from Victoria from 1917 to 1923.