| 144301 | December 23 | Birth | 1970 – Karine Polwart, Scottish singer-songwriter and guitarist (The Burns Unit, Malinky, and The Fruit Tree Foundation) |
| 144302 | December 23 | Birth | 1970 – Holly Samos, English radio host |
| 144303 | December 23 | Birth | 1971 – Corey Haim, Canadian-American actor and producer (d. 2010) |
| 144304 | December 23 | Birth | 1971 – Jo Johnson, English banker, journalist, and politician |
| 144305 | December 23 | Birth | 1971 – Michalis Klokidis, Greek footballer |
| 144306 | December 23 | Birth | 1971 – Tara Palmer-Tomkinson, English model, actress, and author |
| 144307 | December 23 | Birth | 1971 – Wim Vansevenant, Belgian cyclist |
| 144308 | December 23 | Birth | 1971 – Masayoshi Yamazaki, Japanese singer-songwriter |
| 144309 | December 23 | Birth | 1972 – Christian Potenza, Canadian actor and producer |
| 144310 | December 23 | Birth | 1974 – Agustín Delgado, Ecuadorian footballer and politician |
| 144311 | December 23 | Birth | 1974 – Mieszko Talarczyk, Polish-Swedish singer-songwriter, guitarist, and producer (Nasum and Genocide Superstars) (d. 2004) |
| 144312 | December 23 | Birth | 1975 – Vadim Sharifijanov, Russian ice hockey player |
| 144313 | December 23 | Birth | 1975 – Lady Starlight, American singer-songwriter |
| 144314 | December 23 | Birth | 1976 – Joanna Hayes, American hurdler and coach |
| 144315 | December 23 | Birth | 1976 – Brad Lidge, American baseball player |
| 144316 | December 23 | Birth | 1976 – Dimitris Mavrogenidis, Uzbek-Greek footballer and manager |
| 144317 | December 23 | Birth | 1976 – Jamie Noble, American wrestler and producer |
| 144318 | December 23 | Birth | 1977 – Matt Baker, English television host |
| 144319 | December 23 | Birth | 1977 – Alge Crumpler, American football player |
| 144320 | December 23 | Birth | 1977 – Tore Johansen, Norwegian trumpeter and record producer (Inner Ear) |
| 144321 | December 23 | Birth | 1977 – Jari Mäenpää, Finnish singer-songwriter and guitarist (Wintersun, Ensiferum, and Arthemesia) |
| 144322 | December 23 | Birth | 1977 – Paul Shirley, American basketball player and blogger |
| 144323 | December 23 | Birth | 1978 – Esthero, Canadian-American singer-songwriter and producer |
| 144324 | December 23 | Birth | 1978 – Andra Davis, American football player |
| 144325 | December 23 | Birth | 1978 – Jodie Marsh, English model and actress |
| 144326 | December 23 | Birth | 1978 – Víctor Martínez, Venezuelan baseball player |
| 144327 | December 23 | Birth | 1978 – Estella Warren, Canadian swimmer, model, and actress |
| 144328 | December 23 | Birth | 1979 – Summer Altice, American model and actress |
| 144329 | December 23 | Birth | 1979 – Abraham Chebii, Kenyan runner |
| 144330 | December 23 | Birth | 1979 – Scott Gomez, American ice hockey player |