| 30391 | March 18 | Birth | 1975 – Brian Griese, American football player and sportscaster |
| 30392 | March 18 | Birth | 1975 – Kimmo Timonen, Finnish ice hockey player |
| 30393 | March 18 | Birth | 1975 – Tomas Žvirgždauskas, Lithuanian footballer |
| 30394 | March 18 | Birth | 1975 – Lucid Fall, South Korean singer |
| 30395 | March 18 | Birth | 1976 – Giovanna Antonelli, Brazilian actress and producer |
| 30396 | March 18 | Birth | 1976 – Jovan Kirovski, American soccer player and coach |
| 30397 | March 18 | Birth | 1976 – Tomo Ohka, Japanese baseball player |
| 30398 | March 18 | Birth | 1976 – Scott Podsednik, American baseball player |
| 30399 | March 18 | Birth | 1976 – Mike Quackenbush, American wrestler, trainer, and author, founded Chikara wrestling promotion |
| 30400 | March 18 | Birth | 1977 – Zdeno Chára, Slovak ice hockey player |
| 30401 | March 18 | Birth | 1977 – Danny Murphy, English footballer and sportscaster |
| 30402 | March 18 | Birth | 1977 – Fernando Rodney, Dominican-American baseball player |
| 30403 | March 18 | Birth | 1977 – Willy Sagnol, French footballer and manager |
| 30404 | March 18 | Birth | 1977 – Terrmel Sledge, American baseball player |
| 30405 | March 18 | Birth | 1978 – Fernandão, Brazilian footballer and manager (d. 2014) |
| 30406 | March 18 | Birth | 1978 – Jan Bulis, Czech ice hockey player |
| 30407 | March 18 | Birth | 1978 – Juris Fernandez, Filipino singer-songwriter (MYMP) |
| 30408 | March 18 | Birth | 1978 – Brooke Hanson, Australian swimmer |
| 30409 | March 18 | Birth | 1978 – Antonio Margarito, Mexican-American boxer |
| 30410 | March 18 | Birth | 1978 – Brian Scalabrine, American basketball player and coach |
| 30411 | March 18 | Birth | 1978 – Yoshie Takeshita, Japanese volleyball player |
| 30412 | March 18 | Birth | 1978 – Jonas Wallerstedt, Swedish footballer, coach, and manager |
| 30413 | March 18 | Birth | 1978 – Virginia Williams, American actress |
| 30414 | March 18 | Birth | 1979 – Shola Ama, English singer |
| 30415 | March 18 | Birth | 1979 – Dramane Coulibaly, Malian footballer |
| 30416 | March 18 | Birth | 1979 – Danneel Harris, American actress |
| 30417 | March 18 | Birth | 1979 – Grzegorz Knapp, Polish motorcycle racer (d. 2014) |
| 30418 | March 18 | Birth | 1979 – Adam Levine, American singer-songwriter, guitarist, and actor (Maroon 5) |
| 30419 | March 18 | Birth | 1979 – Anthony Maher, American soccer player |
| 30420 | March 18 | Birth | 1980 – Sébastien Frey, French footballer |