| 9052 | January 21 | Birth | 1974 – Arthémon Hatungimana, Burundian runner |
| 9053 | January 21 | Birth | 1974 – Alex Sperafico, Brazilian race car driver |
| 9054 | January 21 | Birth | 1975 – Ito, Spanish footballer and manager |
| 9055 | January 21 | Birth | 1975 – Nicky Butt, English footballer and coach |
| 9056 | January 21 | Birth | 1975 – Thomas Castaignède, French rugby player and journalist |
| 9057 | January 21 | Birth | 1975 – Yuji Ide, Japanese race car driver |
| 9058 | January 21 | Birth | 1975 – Willem Korsten, Dutch footballer and manager |
| 9059 | January 21 | Birth | 1976 – Aivaras Abromavičius, Lithuanian-Ukrainian banker and politician 15th Minister of Economic of Ukraine |
| 9060 | January 21 | Birth | 1976 – Emma Bunton, English singer-songwriter and actress (Spice Girls) |
| 9031 | January 21 | Birth | 1963 – Detlef Schrempf, German basketball player and coach |
| 9032 | January 21 | Birth | 1965 – Jam Master Jay, American DJ, rapper, and producer (d. 2002) |
| 9033 | January 21 | Birth | 1966 – Robert Del Naja, English singer-songwriter and DJ (Massive Attack, The Wild Bunch) |
| 9034 | January 21 | Birth | 1967 – Artashes Minasian, Armenian chess player |
| 9035 | January 21 | Birth | 1968 – Sundar C., Indian actor and director |
| 9036 | January 21 | Birth | 1968 – Charlotte Ross, American actress |
| 9037 | January 21 | Birth | 1969 – Eduard Hämäläinen, Finnish-Belarusian decathlete |
| 9038 | January 21 | Birth | 1969 – Karina Lombard, Tahitian-American actress and singer |
| 9039 | January 21 | Birth | 1969 – Tsubaki Nekoi, Japanese illustrator |
| 9040 | January 21 | Birth | 1970 – Ken Leung, American actor |
| 9041 | January 21 | Birth | 1970 – Oren Peli, Israeli-American director, producer and screenwriter |
| 9042 | January 21 | Birth | 1971 – Tweet, American singer-songwriter |
| 9043 | January 21 | Birth | 1971 – Adia Chan, Indonesian-Hong Kong actress and singer |
| 9044 | January 21 | Birth | 1971 – Sergey Klevchenya, Russian speed skater |
| 9045 | January 21 | Birth | 1971 – Alan McManus, Scottish snooker player, golfer, and sportscaster |
| 9046 | January 21 | Birth | 1971 – Doug Weight, American ice hockey player |
| 9047 | January 21 | Birth | 1972 – Rickard Falkvinge, Swedish businessman and politician |
| 9048 | January 21 | Birth | 1972 – Yasunori Mitsuda, Japanese composer and producer |
| 9049 | January 21 | Birth | 1972 – Cat Power, American singer-songwriter and actress |
| 9050 | January 21 | Birth | 1973 – Rob Hayles, English cyclist |
| 9051 | January 21 | Birth | 1974 – Malena Alterio, Argentinian-Spanish actress |