| 138781 | December 8 | Birth | 1979 – José Peña, Venezuelan sprinter |
| 138782 | December 8 | Birth | 1979 – Christian Wilhelmsson, Swedish footballer |
| 138783 | December 8 | Birth | 1980 – Lisa Kelly, American truck driver |
| 138784 | December 8 | Birth | 1980 – Yuliya Krevsun, Ukrainian runner |
| 138785 | December 8 | Birth | 1981 – Jeremy Accardo, American baseball player |
| 138786 | December 8 | Birth | 1981 – Azra Akın, Dutch-Turkish model and actress, Miss World 2002 |
| 138787 | December 8 | Birth | 1981 – Simon Finnigan, English rugby player |
| 138788 | December 8 | Birth | 1981 – Philip Rivers, American football player |
| 138789 | December 8 | Birth | 1982 – Alfredo Aceves, American baseball player |
| 138790 | December 8 | Birth | 1982 – Halil Altıntop, Turkish footballer |
| 138791 | December 8 | Birth | 1982 – Hamit Altıntop, Turkish footballer |
| 138792 | December 8 | Birth | 1982 – Chrisette Michele, American singer-songwriter |
| 138793 | December 8 | Birth | 1982 – Nicki Minaj, Trinidadian-American rapper and actress |
| 138794 | December 8 | Birth | 1982 – Noelle Pikus-Pace, American skeleton racer |
| 138795 | December 8 | Birth | 1982 – Jimmy Rave, American wrestler |
| 138796 | December 8 | Birth | 1982 – DeeDee Trotter, American runner |
| 138797 | December 8 | Birth | 1983 – Neel Jani, Swiss race car driver |
| 138798 | December 8 | Birth | 1983 – Valéry Mézague, Cameroonian footballer (d. 2014) |
| 138799 | December 8 | Birth | 1983 – Liu Song, Chinese snooker player |
| 138800 | December 8 | Birth | 1984 – Emma Green Tregaro, Swedish high jumper |
| 138801 | December 8 | Birth | 1984 – Greg Halford, English footballer |
| 138802 | December 8 | Birth | 1984 – Badr Hari, Dutch kick-boxer |
| 138803 | December 8 | Birth | 1984 – Sam Hunt, American singer-songwriter |
| 138804 | December 8 | Birth | 1985 – Meagan Duhamel, Canadian figure skater |
| 138805 | December 8 | Birth | 1985 – Dwight Howard, American basketball player |
| 138806 | December 8 | Birth | 1985 – Oleksiy Pecherov, Ukrainian basketball player |
| 138807 | December 8 | Birth | 1985 – Josh Donaldson, American baseball player |
| 138808 | December 8 | Birth | 1986 – Amir Khan, English boxer |
| 138809 | December 8 | Birth | 1986 – Kate Voegele, American singer-songwriter, guitarist, and actress |
| 138810 | December 8 | Birth | 1987 – Jana Juricová, Slovak tennis player |