| 121261 | October 23 | Birth | 1978 – Wang Nan, Chinese table tennis player |
| 121262 | October 23 | Birth | 1978 – Archie Thompson, New Zealand-Australian footballer |
| 121263 | October 23 | Birth | 1979 – Prabhas, Indian actor |
| 121264 | October 23 | Birth | 1979 – Ramón Castro, Venezuelan baseball player |
| 121265 | October 23 | Birth | 1979 – Simon Davies, Welsh footballer |
| 121266 | October 23 | Birth | 1979 – Jorge Solís, Mexican boxer |
| 121267 | October 23 | Birth | 1979 – Bud Smith, American baseball player |
| 121268 | October 23 | Birth | 1980 – Mate Bilić, Croatian footballer |
| 121269 | October 23 | Birth | 1980 – Pedro Liriano, Dominican baseball player |
| 121270 | October 23 | Birth | 1981 – Jeroen Bleekemolen, Dutch race car driver |
| 121271 | October 23 | Birth | 1981 – Ben Francisco, American baseball player |
| 121272 | October 23 | Birth | 1981 – Jackie Long, American actor and producer |
| 121273 | October 23 | Birth | 1981 – Huo Siyan, Chinese actress |
| 121274 | October 23 | Birth | 1982 – Valentin Badea, Romanian footballer |
| 121275 | October 23 | Birth | 1982 – Rickey Paulding, American basketball player |
| 121276 | October 23 | Birth | 1982 – Kristjan Kangur, Estonian basketball player |
| 121277 | October 23 | Birth | 1982 – Aleksandar Luković, Serbian footballer |
| 121278 | October 23 | Birth | 1982 – Rodolfo Dantas Bispo, Brazilian footballer |
| 121279 | October 23 | Birth | 1983 – Filippos Darlas, Greek footballer |
| 121280 | October 23 | Birth | 1983 – Goldie Harvey, Nigerian singer-songwriter (d. 2013) |
| 121281 | October 23 | Birth | 1983 – Sayaka Isoyama, Japanese model and actress |
| 121282 | October 23 | Birth | 1983 – Josh Strickland, American actor and singer |
| 121283 | October 23 | Birth | 1984 – Martin Garcia, Mexican-American jockey |
| 121284 | October 23 | Birth | 1984 – Izabel Goulart, Brazilian-American model and actress |
| 121285 | October 23 | Birth | 1984 – Simone Masini, Italian footballer |
| 121286 | October 23 | Birth | 1984 – Keiren Westwood, English footballer |
| 121287 | October 23 | Birth | 1984 – Jeffrey Hoogervorst, Dutch footballer |
| 121288 | October 23 | Birth | 1984 – Meghan McCain, American journalist and author |
| 121289 | October 23 | Birth | 1984 – Michael Sim, Australian golfer |
| 121290 | October 23 | Birth | 1985 – Miguel, American singer-songwriter and producer |