List of Famous people who are 81

Diether Kunerth is a contemporary artist who lives in Ottobeuren, Upper Swabia.

Jacques Rancière is a French philosopher, Professor of Philosophy at European Graduate School in Saas-Fee and Emeritus Professor of Philosophy at the University of Paris VIII: Vincennes—Saint-Denis. After co-authoring Reading Capital (1965) with the structuralist Marxist philosopher Louis Althusser and others, his work turned against Althusserian Marxism, and he later came to develop an original body of work focused on aesthetics.

Guy Périllat Merceroz is a former World Cup alpine ski racer from the resort of La Clusaz, Haute-Savoie, one of the top ski racers of the 1960s.

Antoine Saint-John is a French actor.

Katharina von Salis Perch-Nielsen is a Swiss geologist and orienteering competitor. She is a retired Adjunct Professor at the Department of Earth Sciences at ETH Zurich in Switzerland. She retired 1 October 2001. During her scientific career, as a Professor in the Micropaleontology at the Geological Institute at ETH Zurich, she was highly engaged in promoting gender equality in sciences and active in fighting to improve the position of girls and women in sciences at Swiss universities and high schools. She was at the origin of the Office of Equal Opportunities for Men and Women that exists at ETH Zurich since 1993.

Monica Proietti was a Canadian bank robber and folk hero from Montreal, better known as "Machine Gun Molly".

Cristián Precht Bañados is a Chilean Catholic former priest, known for his work during the military dictatorship in defense of human rights. He was vicar of the Vicariate of Solidarity between 1976 and 1979. In September 2018, he was laicized for his participation in cases of child sexual abuse.

Dalil Boubakeur is a physician, a Mufti, and current rector of the Great Mosque of Paris. He is also the president of the French Council of the Muslim Faith. He was born on 2 November 1940 in the Algerian city of Skikda, to Hamza Boubakeur. He studied at Lycées Bugeaud in Algiers, before moving to France and studying at Lycée Louis-le-Grand. He graduated from the Faculty of Sciences et Medicine of Paris and holds degrees in Quranic studies, theology and Muslim civilization.

Miguel Ángel Virasoro is an Argentine physicist. The Shapiro–Virasoro model, the Virasoro algebra, the Virasoro constraint, and the Virasoro minimal model are named after him.

Jean Clair is the nom de plume of Gérard Régnier. Clair is an essayist, a polemicist, an art historian, an art conservator, and a member of the Académie française since May, 2008. He was, for many years, the director of the Picasso Museum in Paris. Among the milestones of his long and productive career is a comprehensive catalog of the works of Balthus. He was also the director of the Venice Biennale in 1995.