List of Famous people who are 66

Gilbert Glaus is a retired Swiss professional road bicycle racer. In 1978, Glaus became amateur world champion, and he became a professional cyclist in 1982. In 1983, Glaus won a stage in the 1983 Tour de France, but in the 1984 Tour de France he was the Lanterne rouge. He was the Swiss National Road Race champion in 1982. He also competed in the individual road race and team time trial events at the 1980 Summer Olympics.

Michael Finnell is a film producer active from the 1970s to the present. He has produced several horror-comedy films, particularly with the director Joe Dante. Finnell worked for the American producer Roger Corman before emerging as a producer in his own right.

John Alexander Thain is an American businessman, investment banker, and former chair and CEO of the CIT Group.

Jorge Eduardo Lozano is a prelate of the Roman Catholic Church. He served as auxiliary bishop of Buenos Aires from 2000 until 2005, when he became bishop of Gualeguaychú. He became Coadjutor Archbishop of San Juan de Cuyo in 2016, and succeeded to the see in 2017.

Mary Barry is a Canadian singer and songwriter. She sings in English, French and German. She was born in St. John's, Newfoundland and Labrador on May 5, 1955, one of five children to Patrick Barry and Teresa Barry. She attended high school at Holy Heart before studying Languages and French Literature at Memorial University. In 1982, she graduated from Vancouver Community College's Jazz and Commercial Music program.