| 139125 | December 9 | Birth | 1955 – Otis Birdsong, American basketball player and radio host |
| 139126 | December 9 | Birth | 1955 – Chamras Saewataporn, Thai singer-songwriter |
| 139127 | December 9 | Birth | 1956 – Jean-Pierre Thiollet, French journalist and author |
| 139128 | December 9 | Birth | 1957 – Peter O'Mara, Australian guitarist and composer (Passport) |
| 139129 | December 9 | Birth | 1957 – Donny Osmond, American singer-songwriter, dancer, and actor (The Osmonds) |
| 139130 | December 9 | Birth | 1957 – Steve Taylor, American singer-songwriter and producer (Chagall Guevara) |
| 139131 | December 9 | Birth | 1958 – Rikk Agnew, American guitarist (The Adolescents, D.I., Social Distortion, and Christian Death) |
| 139132 | December 9 | Birth | 1958 – Nick Seymour, Australian bass player, songwriter, and producer (Crowded House, Deadstar, and Tarmac Adam) |
| 139133 | December 9 | Birth | 1959 – Susan Bullock, English soprano |
| 139134 | December 9 | Birth | 1959 – John Martin Scripps, English murderer (d. 1996) |
| 139135 | December 9 | Birth | 1960 – Stefen Fangmeier, American visual effects designer and director |
| 139136 | December 9 | Birth | 1960 – Caroline Lucas, English politician |
| 139137 | December 9 | Birth | 1960 – Terry Moran, American journalist |
| 139138 | December 9 | Birth | 1960 – Dobroslav Paraga, Croatian politician |
| 139139 | December 9 | Birth | 1960 – Juan Samuel, Dominican-American baseball player and manager |
| 139140 | December 9 | Birth | 1961 – David Anthony Higgins, American actor and screenwriter |
| 139111 | December 9 | Birth | 1948 – Marleen Gorris, Dutch director and screenwriter |
| 139112 | December 9 | Birth | 1948 – Jonathan Sumption, English historian, judge, and author |
| 139113 | December 9 | Birth | 1949 – Tom Kite, American golfer and architect |
| 139114 | December 9 | Birth | 1949 – Nando Parrado, Uruguayan survivor of the 1972 Andes flight disaster |
| 139115 | December 9 | Birth | 1950 – Joan Armatrading, Caribbean-English singer-songwriter and guitarist |
| 139116 | December 9 | Birth | 1952 – Liaqat Baloch, Pakistani politician |
| 139117 | December 9 | Birth | 1952 – Michael Dorn, American actor and director |
| 139118 | December 9 | Birth | 1953 – Cornelis de Bondt, Dutch composer and educator |
| 139119 | December 9 | Birth | 1953 – World B. Free, American basketball player |
| 139120 | December 9 | Birth | 1953 – John Malkovich, American actor and producer |
| 139121 | December 9 | Birth | 1954 – Phil Bryant, American academic and politician, 63rd Governor of Mississippi |
| 139122 | December 9 | Birth | 1954 – Herman Finkers, Dutch comedian and actor |
| 139123 | December 9 | Birth | 1954 – Jean-Claude Juncker, Luxembourger lawyer and politician, Prime Minister of Luxembourg |
| 139124 | December 9 | Birth | 1954 – Henk ten Cate, Dutch footballer and manager |