List of Famous people who are 66

Bríd Brennan is a Northern Irish actress who is known for her theatre work, she originated the role of Agnes in the Brian Friel play Dancing at Lughnasa, for which she won the 1992 Tony Award for Best Featured Actress in a Play. She is also a three-time Olivier Award nominee; for Rutherford and Son (1995), The Little Foxes (2002) and The Ferryman (2018).

Jonathan "Jacques" or "Jock" Boyer is a former professional cyclist who, in 1981, became the first American to participate in the Tour de France. In November 2002, Boyer was convicted after pleading guilty to seven counts of child molestation and three counts of genital penetration of an 11-year-old girl.

Phumzile Mlambo-Ngcuka is a South African politician and United Nations official, and is currently serving as the Executive Director of UN Women with the rank of Under-Secretary-General of the United Nations.

Armin Hahne is a German racing driver, best known for his exploits in touring car racing. The highpoint of his career was winning both the 1982 and 1983 Spa 24 Hours driving BMW's. Another highlight of his career was driving in the factory supported Tom Walkinshaw Racing run Jaguar Racing team racing the Jaguar XJS coupes. Hahne stayed with the team as they transitioned to Rover Vitesse. In 1991 he drove for one race in the British Touring Car Championship for BMW.

Raymond "Ray" Ozzie is an American software industry entrepreneur who held the positions of Chief Technical Officer and Chief Software Architect at Microsoft between 2005 and 2010. Before Microsoft, he was best known for his role in creating HCL Notes.

Bill Pohlad is an American film producer and director. He is the son of Mary Eloise (O'Rourke) and billionaire financier Carl Pohlad, who owned the Minnesota Twins baseball franchise from 1984 until his death in 2009; and the brother of Jim Pohlad, who took over as the team's principal owner upon their father's death and Bob Polhad, owner of NorthMarq Capital.

Enrico Mentana is an Italian journalist, television presenter and publisher. He founded the Italian news program TG5 and directed it from 1992 to 2004. In 2005, as Canale 5's editorial director, he conceived and curated the talk show Matrix until his resignation in 2009 due to a disagreement with the network. From June 2010 he is the director of the news program TG La7. He is also the director of the online newspaper Open, which he founded in December 2018.