| 138391 | December 7 | Birth | 1979 – Sara Bareilles, American singer-songwriter, pianist, and actress |
| 138392 | December 7 | Birth | 1979 – Jennifer Carpenter, American actress |
| 138393 | December 7 | Birth | 1979 – Lampros Choutos, Greek-Italian footballer |
| 138394 | December 7 | Birth | 1979 – Ayako Fujitani, Japanese actress |
| 138395 | December 7 | Birth | 1980 – John Terry, English footballer |
| 138396 | December 7 | Birth | 1982 – Chrispa, Greek singer |
| 138397 | December 7 | Birth | 1982 – Jack Huston, English actor |
| 138398 | December 7 | Birth | 1983 – Mike Mucitelli, American mixed martial artist |
| 138399 | December 7 | Birth | 1984 – Aaron Gray, American basketball player |
| 138400 | December 7 | Birth | 1984 – Robert Kubica, Polish race car driver |
| 138401 | December 7 | Birth | 1984 – Milan Michálek, Czech ice hockey player |
| 138402 | December 7 | Birth | 1984 – Luca Rigoni, Italian footballer |
| 138403 | December 7 | Birth | 1985 – Dean Ambrose, American wrestler |
| 138404 | December 7 | Birth | 1986 – Billy Horschel, American golfer |
| 138405 | December 7 | Birth | 1987 – Aaron Carter, American singer-songwriter, dancer, and actor |
| 138406 | December 7 | Birth | 1988 – Nathan Adrian, American swimmer |
| 138407 | December 7 | Birth | 1988 – Emily Browning, Australian actress and singer |
| 138408 | December 7 | Birth | 1988 – Angelina Gabueva, Russian tennis player |
| 138409 | December 7 | Birth | 1988 – Asia Ray Smith, American actress |
| 138410 | December 7 | Birth | 1988 – Butsakon Tantiphana, Thai actress and singer |
| 138411 | December 7 | Birth | 1989 – Nicholas Hoult, English actor |
| 138412 | December 7 | Birth | 1989 – Caleb Landry Jones, American actor |
| 138413 | December 7 | Birth | 1989 – Alessandro Marchi, Italian footballer |
| 138414 | December 7 | Birth | 1990 – Aleksandr Menkov, Russian long jumper |
| 138415 | December 7 | Birth | 1990 – Yasiel Puig, Cuban baseball player |
| 138416 | December 7 | Birth | 1990 – Urszula Radwańska, Polish tennis player |
| 138417 | December 7 | Birth | 1991 – Eugenio Pisani, Italian race car driver |
| 138418 | December 7 | Birth | 1991 – Dori Sakurada, Japanese actor, singer, and dancer |
| 138419 | December 7 | Birth | 1994 – Yuzuru Hanyu, Japanese figure skater |
| 138420 | December 7 | Birth | 1994 – Myrtle Sarrosa, Filipino actress, model, VJ, and cosplayer |