| 6601 | January 15 | Birth | 1952 – Andrzej Fischer, Polish footballer |
| 6602 | January 15 | Birth | 1953 – Ta-Tanisha, American actress |
| 6603 | January 15 | Birth | 1953 – Kent Hovind, American evangelist and theorist |
| 6604 | January 15 | Birth | 1953 – Randy White, American football player |
| 6605 | January 15 | Birth | 1954 – Jose Dalisay, Jr., Filipino poet, author, and screenwriter |
| 6606 | January 15 | Birth | 1955 – Nigel Benson, English author and illustrator |
| 6607 | January 15 | Birth | 1955 – Khalid Islambouli, Egyptian army officer and assassin of Egypt's president Anwar Sadat (d. 1982) |
| 6608 | January 15 | Birth | 1955 – Mayumi Tanaka, Japanese voice actress |
| 6609 | January 15 | Birth | 1956 – Mayawati, Indian educator and politician, 23rd Chief Minister of Uttar Pradesh |
| 6610 | January 15 | Birth | 1956 – Miki Fujimura, Japanese singer (Candies) |
| 6611 | January 15 | Birth | 1956 – Vitaly Kaloyev, Russian architect |
| 6612 | January 15 | Birth | 1956 – Marc Trestman, American football player and coach |
| 6613 | January 15 | Birth | 1957 – Marty Lyons, American football player and sportscaster |
| 6614 | January 15 | Birth | 1957 – Andrew Tyrie, English journalist and politician |
| 6615 | January 15 | Birth | 1957 – Mario Van Peebles, American actor and director |
| 6616 | January 15 | Birth | 1958 – Boris Tadić, Serbian psychologist and politician, 16th President of Serbia |
| 6617 | January 15 | Birth | 1959 – Sister Carol, Jamaican-American singer-songwriter |
| 6618 | January 15 | Birth | 1959 – Pavle Kozjek, Slovenian mountaineer and photographer (d. 2008) |
| 6619 | January 15 | Birth | 1959 – Pete Trewavas, English bass player (Kino, Marillion, Transatlantic, and Edison's Children) |
| 6620 | January 15 | Birth | 1960 – Kelly Asbury, American actor and director |
| 6621 | January 15 | Birth | 1960 – Aaron Jay Kernis, American composer and academic |
| 6622 | January 15 | Birth | 1961 – Serhiy N. Morozov, Ukrainian footballer and coach |
| 6623 | January 15 | Birth | 1961 – Yves Pelletier, Canadian actor and director |
| 6624 | January 15 | Birth | 1963 – Bruce Schneier, American cryptographer and author |
| 6625 | January 15 | Birth | 1964 – Osmo Tapio Räihälä, Finnish composer |
| 6626 | January 15 | Birth | 1965 – Maurizio Fondriest, Italian cyclist |
| 6627 | January 15 | Birth | 1965 – Bernard Hopkins, American boxer and coach |
| 6628 | January 15 | Birth | 1965 – James Nesbitt, Irish actor |
| 6629 | January 15 | Birth | 1966 – Lisa Lisa, American singer and actress (Lisa Lisa and Cult Jam) |
| 6630 | January 15 | Birth | 1968 – Barry Buchanan, American wrestler |