Lieutenant General Sir Alexander Crawford Simpson Boswell (born 1928) is a former British Army officer. He joined the Army as junior officer in the Argyll and Sutherland Highlanders shortly after the Second World War, and after a series of regimental and staff postings was second-in-command of his battalion during the Indonesia–Malaysia confrontation. He later commanded a battalion, then an infantry brigade, before taking command of 2nd Armoured Division in 1978. He was later the General Officer Commanding in Scotland and Lieutenant Governor of Guernsey before retiring in 1990.