List of Famous people who are 66

Bernardo Matte Larraín is a Chilean billionaire businessman, and a major shareholder in the Chilean forestry and paper company CMPC, founded by his father.

Françoise Mouly is a Paris-born New York-based designer, editor, and publisher. She is best known as co-founder, co-editor, and publisher of the comics and graphics magazine Raw (1980–1991), as the publisher of Raw Books and Toon Books, and since 1993 as the art editor of The New Yorker. Mouly is married to cartoonist Art Spiegelman, and is the mother of writer Nadja Spiegelman.

Pierre Michel Nigro, better known as Michael Fortunati, is an Italo disco/Eurobeat singer.

Rostislav Sinicyn is an ice dancer who competed for the Soviet Union. With his wife Natalia Karamyševa (Karamysheva), Sinicyn is the 1978 and 1980 Soviet national champion. Following his retirement from competitive skating, he works as a coach and choreographer and was naturalized as a Czech citizen.

Patriarch John X is primate of the Greek Orthodox Patriarchate of Antioch and All The East.