List of Famous people who are 55

Martha Elizabeth McSally is an American politician and former military pilot who served as a United States Senator for Arizona from 2019 to 2020. A Republican, she served as the U.S. Representative for Arizona's 2nd congressional district from 2015 to 2019. McSally served in the United States Air Force from 1988 to 2010, achieving the rank of Colonel. She is the first U.S. woman to fly in combat and the first to command a fighter squadron, and the first politician in Arizona history to lose two successive Senate races.

David Hallyday is a French singer, songwriter and amateur sports car racer.

Dennis Frank Wise is an English former professional footballer and manager, who played as a central midfielder. He is best known for having spent the majority of his career at Chelsea, from 1990 to 2001.

Dikembe Mutombo Mpolondo Mukamba Jean-Jacques Wamutombo is a Congolese American former professional basketball player. Mutombo played 18 seasons in the National Basketball Association (NBA). Outside basketball, he has become well known for his humanitarian work.

Sandra Maischberger is a German journalist, talk show host, and author.

Hildegard Wortmann is a German business executive who has been the first female member of the Board of Management of Audi since 1 July 2019, where she is responsible for marketing and sales.

Christopher John MacRae Whitty is a British physician and epidemiologist who serves as the Chief Medical Officer for England (CMO), Chief Medical Adviser to the UK Government, Chief Scientific Adviser (CSA) to the Department of Health and Social Care, Head of the National Institute for Health Research (NIHR) and Gresham Professor of Physic.

Oleksii Reznikov – lawyer, Deputy Prime Minister, Minister for Reintegration of the Temporarily Occupied Territories of Ukraine, partner at Asters Law Firm, deputy head of the Kyiv city state administration, deputy mayor – secretary of the Kyiv city council, Attorney, Honored Lawyer of Ukraine, Master of Sports of Ukraine. President Volodymyr Zelensky has authorised Reznikov to represent Ukraine in the working political subgroup at the Trilateral Contact Group on a Donbas settlement.

Arthur is a TV presenter, producer and comedian.

Thomas Michael Glavine is an American former professional baseball player. A pitcher, Glavine played in Major League Baseball for the Atlanta Braves, and New York Mets (2003–2007).