| 31621 | March 21 | Birth | 1962 – Matthew Broderick, American actor, singer, and director |
| 31622 | March 21 | Birth | 1962 – Kathy Greenwood, Canadian actress and screenwriter |
| 31623 | March 21 | Birth | 1962 – Rosie O'Donnell, American actress, producer, and talk show host |
| 31624 | March 21 | Birth | 1962 – Mark Waid, American author |
| 31625 | March 21 | Birth | 1963 – Shawon Dunston, American baseball player |
| 31626 | March 21 | Birth | 1963 – Ronald Koeman, Dutch footballer and manager |
| 31627 | March 21 | Birth | 1963 – Shawn Lane, American guitarist, songwriter, and producer (Black Oak Arkansas) (d. 2003) |
| 31628 | March 21 | Birth | 1963 – Share Pedersen, American bass player (Vixen and Contraband) |
| 31629 | March 21 | Birth | 1964 – Ieuan Evans, Welsh rugby player |
| 31630 | March 21 | Birth | 1964 – Jesper Skibby, Danish cyclist |
| 31631 | March 21 | Birth | 1965 – Xavier Bertrand, French businessman and politician, French Minister of Social Affairs |
| 31632 | March 21 | Birth | 1966 – Benito Archundia, Mexican footballer, referee, lawyer, and economist |
| 31633 | March 21 | Birth | 1966 – Hauke Fuhlbrügge, German runner |
| 31634 | March 21 | Birth | 1966 – Matthew Maynard, English cricketer and coach |
| 31635 | March 21 | Birth | 1966 – DJ Premier, American DJ and producer (Gang Starr) |
| 31636 | March 21 | Birth | 1966 – Moa Matthis, Swedish author |
| 31637 | March 21 | Birth | 1967 – Maxim, English singer-songwriter (The Prodigy) |
| 31638 | March 21 | Birth | 1967 – Jonas Berggren, Swedish singer-songwriter and producer (Ace of Base) |
| 31639 | March 21 | Birth | 1967 – Adrian Chiles, English radio and television host |
| 31640 | March 21 | Birth | 1967 – Carwyn Jones, Welsh lawyer and politician, First Minister of Wales |
| 31641 | March 21 | Birth | 1968 – Cameron Clyne, Australian businessman |
| 31642 | March 21 | Birth | 1968 – Andrew Copeland, American singer and guitarist (Sister Hazel) |
| 31643 | March 21 | Birth | 1968 – Jaye Davidson, American-English model and actor |
| 31644 | March 21 | Birth | 1968 – Samantha Dorman, American model and actress |
| 31645 | March 21 | Birth | 1968 – Greg Ellis, English actor, producer, and screenwriter |
| 31646 | March 21 | Birth | 1968 – Tolunay Kafkas, Turkish footballer and manager |
| 31647 | March 21 | Birth | 1968 – Shin Seung-hun, South Korean singer-songwriter |
| 31648 | March 21 | Birth | 1968 – Scott Williams, American basketball player and sportscaster |
| 31649 | March 21 | Birth | 1969 – Viktor Alonen, Estonian footballer |
| 31650 | March 21 | Birth | 1969 – Ali Daei, Iranian footballer and coach |