| 91321 | August 12 | Birth | 1978 – Chris Chambers, American football player |
| 91322 | August 12 | Birth | 1978 – Hayley Wickenheiser, Canadian ice hockey player |
| 91323 | August 12 | Birth | 1979 – D. J. Houlton, American baseball player |
| 91324 | August 12 | Birth | 1979 – Ian Hutchinson, English motorcycle racer |
| 91325 | August 12 | Birth | 1979 – Cindy Klassen, Canadian speed skater |
| 91326 | August 12 | Birth | 1979 – Austra Skujytė, Lithuanian pentathlete |
| 91327 | August 12 | Birth | 1980 – Rojda Demirer, Turkish actress |
| 91328 | August 12 | Birth | 1980 – Maggie Lawson, American actress |
| 91329 | August 12 | Birth | 1980 – Dominique Swain, American actress |
| 91330 | August 12 | Birth | 1980 – Matt Thiessen, Canadian-American singer-songwriter and guitarist (Relient K) |
| 91331 | August 12 | Birth | 1980 – Jade Villalon, American singer-songwriter, pianist, and actress (Sweetbox) |
| 91332 | August 12 | Birth | 1981 – Tony Capaldi, Norwegian-Northern Irish footballer |
| 91333 | August 12 | Birth | 1981 – Djibril Cissé, French footballer |
| 91334 | August 12 | Birth | 1981 – Riin Tamm, Estonian geneticist and academic |
| 91335 | August 12 | Birth | 1982 – Iza Calzado, Filipino actress |
| 91336 | August 12 | Birth | 1982 – Alexandros Tzorvas, Greek footballer |
| 91337 | August 12 | Birth | 1983 – Kana Asumi, Japanese voice actress and singer |
| 91338 | August 12 | Birth | 1983 – Klaas-Jan Huntelaar, Dutch footballer |
| 91339 | August 12 | Birth | 1983 – Meryem Uzerli, German-Turkish model and actress |
| 91340 | August 12 | Birth | 1983 – Manoa Vosawai, Italian rugby player |
| 91341 | August 12 | Birth | 1983 – Mark Webster, Welsh darts player |
| 91342 | August 12 | Birth | 1984 – Yua Aida, Japanese porn actress and model |
| 91343 | August 12 | Birth | 1984 – Martin Goeres, German actor and stuntman |
| 91344 | August 12 | Birth | 1984 – Bryan Pata, American football player (d. 2006) |
| 91345 | August 12 | Birth | 1984 – Marian Rivera, Spanish-Filipino actress and singer |
| 91346 | August 12 | Birth | 1985 – Franck Moutsinga, German rugby player |
| 91347 | August 12 | Birth | 1986 – Kyle Arrington, American football player |
| 91348 | August 12 | Birth | 1986 – Electra Avellan, Venezuelan actress |
| 91349 | August 12 | Birth | 1986 – Elise Avellan, Venezuelan actress |
| 91350 | August 12 | Birth | 1986 – Kateryna Bondarenko, Ukrainian tennis player |