| 31231 | March 20 | Birth | 1974 – Kevin Sullivan, Canadian runner and coach |
| 31232 | March 20 | Birth | 1974 – Elo Viiding, Estonian poet |
| 31233 | March 20 | Birth | 1975 – Lacena Golding-Clarke, Jamaican jumper and hurdler |
| 31234 | March 20 | Birth | 1976 – Chester Bennington, American singer-songwriter, producer, and actor (Linkin Park and Dead by Sunrise) |
| 31235 | March 20 | Birth | 1978 – Chris Draper, English sailor |
| 31236 | March 20 | Birth | 1979 – Silvia Abascal, Spanish actress |
| 31237 | March 20 | Birth | 1979 – Shinnosuke Abe, Japanese baseball player |
| 31238 | March 20 | Birth | 1979 – Freema Agyeman, English actress and singer |
| 31239 | March 20 | Birth | 1979 – Molly Jenson, American singer-songwriter and guitarist |
| 31240 | March 20 | Birth | 1979 – Bianca Lawson, American actress |
| 31241 | March 20 | Birth | 1979 – Keven Mealamu, New Zealand rugby player |
| 31242 | March 20 | Birth | 1979 – Bernard O'Connor, Irish footballer |
| 31243 | March 20 | Birth | 1979 – Fiona Wade, English actress |
| 31244 | March 20 | Birth | 1980 – Jamal Crawford, American basketball player |
| 31245 | March 20 | Birth | 1980 – Robertas Javtokas, Lithuanian basketball player |
| 31246 | March 20 | Birth | 1980 – Ock Joo-hyun, South Korean singer and actress (Fin.K.L) |
| 31247 | March 20 | Birth | 1980 – Mikk Murdvee, Estonian-Finnish violinist and conductor |
| 31248 | March 20 | Birth | 1980 – Aliénor Tricerri, Swiss tennis player |
| 31249 | March 20 | Birth | 1981 – Ian Murray, Scottish footballer |
| 31250 | March 20 | Birth | 1982 – Terrence Duffin, Zimbabwean cricketer |
| 31251 | March 20 | Birth | 1982 – Tomasz Kuszczak, Polish footballer |
| 31252 | March 20 | Birth | 1982 – José Moreira, Portuguese footballer |
| 31253 | March 20 | Birth | 1984 – iJustine, American blogger and actress |
| 31254 | March 20 | Birth | 1984 – Winta, Norwegian singer-songwriter |
| 31255 | March 20 | Birth | 1984 – Valtteri Filppula, Finnish ice hockey player |
| 31256 | March 20 | Birth | 1984 – Markus Niemelä, Finnish race car driver |
| 31257 | March 20 | Birth | 1984 – Christy Carlson Romano, American actress and singer |
| 31258 | March 20 | Birth | 1984 – Fernando Torres, Spanish footballer |
| 31259 | March 20 | Birth | 1984 – Marcus Vick, American football player |
| 31260 | March 20 | Birth | 1985 – Morgan Amalfitano, French footballer |