List of Famous people who are 66

Linda Williams is a Dutch singer, best known for her participation in the 1981 Eurovision Song Contest.

David McHugh is a former Irish rugby union referee. McHugh refereed matches at the 1995, 1999 and 2003 Rugby World Cups. In 1996 McHugh refereed the inaugural Heineken Cup final. He would also referee the 2001 final, making him the first referee to take charge of two European Rugby Champions Cup finals. He also refereed in the Celtic League, the Six Nations Championship and the Tri Nations. In 2002, while refereeing a Tri Nations match between South Africa and New Zealand, McHugh was assaulted by a South African fan. After retiring as a referee in 2004, McHugh worked as a referee performance officer and then manager for the Irish Rugby Football Union.

Svetozar Marović is a Montenegrin lawyer and politician. He served as the President of Serbia and Montenegro from 2003 until Montenegro declared its independence in 2006. He was the last head of state of Serbia and Montenegro.

Franco Colomba is an Italian football coach and former player, most recently in charge of Serie B club Livorno.

Carol Martha Browner is an American lawyer, environmentalist, and businesswoman, who served as director of the White House Office of Energy and Climate Change Policy in the Obama administration from 2009 to 2011. Browner previously served as Administrator of the Environmental Protection Agency (EPA) during the Clinton administration from 1993 to 2001. She currently works as a Senior Counselor at Albright Stonebridge Group, a global business strategy firm.

James Patrick Hackett is an American businessman. He was the president and chief executive officer of Ford Motor Company from May 2017 to October 2020.