Alexander Angus MacFarlane-Grieve, MC, TD (11 May 1891 – 2 August 1970) was a British academic, mathematician, rower, and decorated British Army officer. He served with the Highland Light Infantry during World War I. He was Master of University College, Durham from 1939 to 1954, and additionally Master of Hatfield College, Durham from 1940 to 1949.