| 10501 | January 25 | Birth | 1980 – Efstathios Tavlaridis, Greek footballer |
| 10502 | January 25 | Birth | 1981 – Charlie Bewley, English actor |
| 10503 | January 25 | Birth | 1981 – Francis Jeffers, English footballer |
| 10504 | January 25 | Birth | 1981 – Alicia Keys, American singer-songwriter, pianist, and actress |
| 10505 | January 25 | Birth | 1981 – Clara Morgane, French actress and singer |
| 10506 | January 25 | Birth | 1981 – Toše Proeski, Macedonian singer-songwriter and actor (d. 2007) |
| 10507 | January 25 | Birth | 1982 – Sho Sakurai, Japanese singer-songwriter and actor |
| 10508 | January 25 | Birth | 1984 – Robinho, Brazilian footballer |
| 10509 | January 25 | Birth | 1984 – Stefan Kießling, German footballer |
| 10510 | January 25 | Birth | 1984 – Fara Williams, English footballer |
| 10511 | January 25 | Birth | 1985 – Tina Karol, Ukrainian singer and actress |
| 10512 | January 25 | Birth | 1985 – Acie Law, American basketball player |
| 10513 | January 25 | Birth | 1985 – Michael Trevino, American actor |
| 10514 | January 25 | Birth | 1985 – Patrick Willis, American football player |
| 10515 | January 25 | Birth | 1986 – Shahriar Nafees, Bangladeshi cricketer |
| 10516 | January 25 | Birth | 1987 – Maria Kirilenko, Russian tennis player |
| 10517 | January 25 | Birth | 1988 – Tatiana Golovin, French tennis player |
| 10518 | January 25 | Birth | 1989 – Sheryfa Luna, French singer and dancer |
| 10519 | January 25 | Birth | 1989 – Mikako Tabe, Japanese actress and singer |
| 10520 | January 25 | Birth | 1989 – Víctor Ruiz Torre, Spanish footballer |
| 10521 | January 25 | Birth | 1990 – Lee Junho, South Korean singer (2PM) |
| 10522 | January 25 | Birth | 1991 – Jared Cowen, Canadian ice hockey player |
| 10523 | January 25 | Birth | 1991 – Nigel Melker, Dutch race car driver |
| 10524 | January 25 | Death | 389 – Gregory of Nazianzus, Byzantine archbishop and saint (b. 329) |
| 10525 | January 25 | Death | 477 – Genseric, Vandals king (b. 389) |
| 10526 | January 25 | Death | 844 – Pope Gregory IV (b. 827) |
| 10527 | January 25 | Death | 1067 – Emperor Yingzong of Song (b. 1032) |
| 10528 | January 25 | Death | 1366 – Henry Suso, German priest and mystic (b. 1300) |
| 10529 | January 25 | Death | 1431 – Charles II, Duke of Lorraine (b. 1364) |
| 10530 | January 25 | Death | 1494 – Ferdinand I of Naples (b. 1423) |