| 8731 | January 20 | Birth | 1967 – Jay Hunt, Australian-English businessman |
| 8732 | January 20 | Birth | 1967 – Eric Quizon, Filipino actor, director, producer, and writer |
| 8733 | January 20 | Birth | 1968 – Nick Anderson, American basketball player and sportscaster |
| 8734 | January 20 | Birth | 1968 – Melissa Rivers, American actress, television host, and producer |
| 8735 | January 20 | Birth | 1968 – Charlie Swan, Irish jockey and trainer |
| 8736 | January 20 | Birth | 1969 – Noriko Kinohara, Japanese actress |
| 8737 | January 20 | Birth | 1969 – Patrick K. Kroupa, American computer hacker and activist co-founded MindVox |
| 8738 | January 20 | Birth | 1969 – Nicky Wire, Welsh singer-songwriter and bass player (Manic Street Preachers) |
| 8739 | January 20 | Birth | 1970 – Kerri Kenney-Silver, American actress and singer |
| 8740 | January 20 | Birth | 1970 – Skeet Ulrich, American actor |
| 8741 | January 20 | Birth | 1971 – Questlove, American drummer, DJ, and producer (The Roots and Soulquarians) |
| 8742 | January 20 | Birth | 1971 – Gary Barlow, English singer-songwriter, pianist, and producer |
| 8743 | January 20 | Birth | 1971 – Derrick Green, American singer-songwriter (Sepultura) |
| 8744 | January 20 | Birth | 1971 – Wakanohana Masaru, Japanese sumo wrestler, the 66th Yokozuna |
| 8745 | January 20 | Birth | 1972 – Nikki Haley, American accountant and politician, 116th Governor of South Carolina |
| 8746 | January 20 | Birth | 1973 – Queen Mathilde of Belgium |
| 8747 | January 20 | Birth | 1974 – David Dei, Italian footballer |
| 8748 | January 20 | Birth | 1975 – Norberto Fontana, Argentinian race car driver |
| 8749 | January 20 | Birth | 1976 – Gretha Smit, Dutch speed skater |
| 8750 | January 20 | Birth | 1977 – Melody, Belgian singer |
| 8751 | January 20 | Birth | 1978 – Salvatore Aronica, Italian footballer |
| 8752 | January 20 | Birth | 1978 – Joy Giovanni, American wrestler and actress |
| 8753 | January 20 | Birth | 1978 – Sonja Kesselschläger, German heptathlete |
| 8754 | January 20 | Birth | 1978 – Allan Søgaard, Danish footballer |
| 8755 | January 20 | Birth | 1978 – Sid Wilson, American DJ and pianist |
| 8756 | January 20 | Birth | 1978 – Luciano Zauri, Italian footballer |
| 8757 | January 20 | Birth | 1979 – Asaka Kubo, Japanese singer |
| 8758 | January 20 | Birth | 1979 – Shang Yi, Chinese footballer |
| 8759 | January 20 | Birth | 1979 – Will Young, English singer-songwriter and actor |
| 8760 | January 20 | Birth | 1980 – Philippe Cousteau, Jr., American-French oceanographer and journalist |