List of Famous people who are 66

Thomas G. Waites is an American actor and acting instructor born in Philadelphia, Pennsylvania. Waites runs an acting studio in New York City which is named for him. He has been a member of the Actors Studio since 1984.

Aart Jan de Geus is a retired Dutch politician of the Christian Democratic Appeal (CDA) party and businessman. He served as Minister of Labor and Social Affairs from 2002 to 2007. Then he worked as Deputy Secretary-General for the OECD. From 2012 to 2019, De Geus was Chairman and CEO of the Bertelsmann Stiftung. Since January 2020, he has been Chairman of the Goldschmeding Foundation.

Alain Simon Rossmann is a serial entrepreneur who was a member of the early Apple Macintosh team and who went on to found or co-found nine startups, of which three went public, three were acquired, and two were dissolved. The ninth is his current company, Machinify.

Kassav' is a French Caribbean band formed in Guadeloupe in 1979. The core members of the band are Jacob Desvarieux, Jocelyne Béroard, Jean-Philippe Marthély, Patrick St. Eloi, Jean-Claude Naimro, Claude Vamur, and Georges Décimus. Kassav' have issued over 20 albums, with a further 12 solo albums by band members.

Giuseppe Sciacca is the current Secretary of the Supreme Tribunal of the Apostolic Signatura since his appointment by Pope Francis on July 16, 2016, replacing the retiring Archbishop Frans Daneels. Previously, he had served as Adjunct Secretary of the Apostolic Signatura, since Saturday, 24 August 2013. Previously, he had been serving as the Secretary General of the Governatorate of Vatican City State since his appointment by Benedict XVI on 3 September 2011.

Ugo Conti is an Italian actor. He appeared in more than fifty films since 1982.

Daniel Oren is an Israeli conductor.