List of Famous people who are 66

Lindsey Olin Graham is an American politician serving as the senior United States Senator from South Carolina, a seat he has held since 2003. A member of the Republican Party, Graham served as chairman of the Senate Committee on the Judiciary from 2019 to 2021.

Deborah Leah Birx is an American physician and diplomat who served as the United States global AIDS coordinator for presidents Barack Obama and Donald Trump between 2014 and 2020; she additionally served as the United States special representative for global health diplomacy between 2015 and 2021, and as the coronavirus response coordinator for the White House Coronavirus Task Force between February 2020 and January 2021. She specializes in HIV/AIDS immunology, vaccine research and global health, and was responsible for the President's Emergency Plan for AIDS Relief (PEPFAR) program in 65 countries supporting HIV/AIDS treatment and prevention programs.

Kirk James Ferentz is an American football coach. He is the current head football coach at the University of Iowa, a position he has held since the 1999 season. From 1990 to 1992, Ferentz was the head football coach at the University of Maine, where he had a record of 12–21. He has also served as an assistant coach with the Cleveland Browns and Baltimore Ravens of the National Football League (NFL). Ferentz played college football as a linebacker at the University of Connecticut from 1974 to 1976. Since 2017, he has been the longest tenured FBS coach with one program, and as of September 2018, is the all-time wins leader at Iowa.

John Glover Roberts Jr. is an American lawyer and jurist who serves as Chief Justice of the United States. Roberts has authored the majority opinion in several landmark cases, including Shelby County v. Holder, National Federation of Independent Business v. Sebelius, King v. Burwell, Department of Commerce v. New York, and Department of Homeland Security v. Regents of the University of California. He has been described as having a conservative judicial philosophy but has shown a willingness to work with the Supreme Court's liberal bloc, and since the retirement of Anthony Kennedy in 2018 has come to be regarded as a key swing vote on the Court. Roberts presided over the first impeachment trial of Donald Trump in early 2020; however, he declined to preside over the second impeachment trial of Trump, who was by then a private citizen.

Yevgeniya Pavlovna Simonova is a Soviet and Russian theatre and film actress best known for her parts in films Afonya (1975), An Ordinary Miracle (1978), Twenty Six Days from the Life of Dostoyevsky (1981). In 1984 she received the State Prize for her contribution to several early 1980s Mayakovsky Theatre productions, including the Life of Klim Samgin.

William Sanford Nye, popularly known as Bill Nye the Science Guy, is an American mechanical engineer, science communicator, and television presenter. He is best known as the host of the PBS and syndicated children's science show Bill Nye the Science Guy (1993–1998), the Netflix show Bill Nye Saves the World (2017–2018), and for his many subsequent appearances in popular media as a science educator.

Dewey LaMarr Hoyt Jr. was an American professional baseball right-handed pitcher. He played in Major League Baseball for the Chicago White Sox and San Diego Padres from 1979 to 1986. He won the 1983 American League Cy Young Award and was an All-Star in 1985.

Anthony Kevin Dungy is a former professional American football safety, coach, and sports analyst who served as a head coach in the National Football League (NFL) for 13 seasons with the Tampa Bay Buccaneers and Indianapolis Colts. Dungy's teams became perennial postseason contenders under his leadership, missing playoffs only twice in Tampa Bay. He led the Colts to victory in Super Bowl XLI, making him the first black head coach to win the Super Bowl.

Anatoly Borisovich Chubais is a Russian politician and businessman who was responsible for privatization in Russia as an influential member of Boris Yeltsin's administration in the early 1990s. During this period, he was a key figure in introducing market economy and the principles of private ownership to Russia after the fall of the Soviet Union.

Vijay Vittal Mallya is a fugitive Indian businessman and former Member of Parliament. He is the subject of an extradition effort by the Indian Government to return him from the UK to face charges of financial crimes in India.