List of Famous people who are 55

Natascha Badmann is a professional triathlete from Switzerland. She is a 6-time winner of the Ironman World Championships in Kailua-Kona, Hawaii in 1998, 2000, 2001, 2002, 2004, and 2005 ; in 1998 she became the first European woman to win the Ironman Triathlon World Championship.

Yang Yao is a Taiwanese politician.

Alejandro Char Chaljub, commonly known as Álex Char, is a Colombian politician. He served two terms as Mayor of Barranquilla from 2008 to 2011 and 2016 to 2019. A civil engineer and member of the Radical Change Party, he was councilor for the Liberal Party in 1997 and in 2000 ran for the Governorship of the Department of Atlántico. Initial ballot results gave victory to his contender Ventura Díaz Mejía, but after a lengthy and often criticized process, the Administrative Supreme Court of Colombia reviewed the election results and found Char to be rightful winner of the race and allowed him to serve the remaining period of his term in 2003.

Artemiy Artemiev is a Russian composer of electronic and experimental music. Since 1988, he has composed music for more than fifty Russian feature films, and has contributed to several documentary films and television programs. He is the son of renowned composer Edward Artemiev, who is most recognized for his collaborations with film director Andrei Tarkovsky.

Nuno Duarte Gil Mendes Bettencourt is a Portuguese-American guitarist, singer-songwriter, and record producer. He became known as the lead guitarist of the Boston rock band Extreme. He has also recorded a solo album as well as having founded bands including Mourning Widows, Population 1, DramaGods, and The Satellite Party. In 2007, he also reunited with Extreme to record new music and tour.

Horacio Armando de la Peña, nicknamed "el Pulga", is a tennis coach and a former tennis player from Argentina, who reached a career-high singles ranking of World No. 31.

Kerris Tsai is a Taiwanese Hokkien pop singer.

Shinji Inoue is a Japanese former Nippon Professional Baseball outfielder.

Paul Brandon Gilbert is an American hard rock and heavy metal guitarist. He is best known for being the co-founder of the band Mr. Big. He was also a member of Racer X, with whom he released several albums. In 1996, Gilbert launched a solo career, for which he has released numerous solo albums, and featured in numerous collaborations and guest appearances on other musicians' albums.

Caroline Proulx is a Canadian politician, who was elected to the National Assembly of Quebec in the 2018 provincial election. She represents the electoral district of Berthier as a member of the Coalition Avenir Québec and is the current Minister of Tourism.