List of Famous people who are 91

Dorothy "Dottie" O'Neil is a retired American badminton player.

Jakob Andreas Ivo Fürer is a Swiss prelate of the Roman Catholic Church. He was Bishop of St. Gallen from 1995 to 2005.

Richard Lynn is a controversial English psychologist and author. He is a former professor emeritus of psychology at Ulster University, having had the title withdrawn by the university in 2018, and assistant editor of the journal Mankind Quarterly, which has been described as a "white supremacist journal". Lynn studies intelligence and is known for his belief in sexual and racial differences in intelligence. Lynn was educated at King's College, Cambridge, in England. He has worked as lecturer in psychology at the University of Exeter and as professor of psychology at the Economic and Social Research Institute, Dublin, and at the University of Ulster at Coleraine.