| 38401 | April 3 | Birth | 1987 – Benjamin Stone, English actor |
| 38402 | April 3 | Birth | 1987 – Sal Zizzo, American soccer player |
| 38403 | April 3 | Birth | 1988 – Kam Chancellor, American football player |
| 38404 | April 3 | Birth | 1988 – Brandon Graham, American football player |
| 38405 | April 3 | Birth | 1988 – Peter Hartley, English footballer |
| 38406 | April 3 | Birth | 1988 – Tim Krul, Dutch footballer |
| 38407 | April 3 | Birth | 1989 – Romain Alessandrini, French footballer |
| 38408 | April 3 | Birth | 1989 – Matija Duh, Slovenian motorcycle racer |
| 38409 | April 3 | Birth | 1989 – Israel Folau, Australian footballer |
| 38410 | April 3 | Birth | 1989 – Thisara Perera, Sri Lankan cricketer |
| 38411 | April 3 | Birth | 1990 – Karim Ansarifard, Iranian footballer |
| 38412 | April 3 | Birth | 1990 – Madison Brengle, American tennis player |
| 38413 | April 3 | Birth | 1990 – Sotiris Ninis, Greek footballer |
| 38414 | April 3 | Birth | 1990 – Nico Ibaviosa, Filipino actor |
| 38415 | April 3 | Birth | 1991 – Stanislav Engovatov, Russian footballer |
| 38416 | April 3 | Birth | 1991 – Hayley Kiyoko, American actress and singer (The Stunners) |
| 38417 | April 3 | Birth | 1992 – Simone Benedetti, Italian footballer |
| 38418 | April 3 | Birth | 1992 – Mina Ōba, Japanese singer and actress (AKB48 and SKE48) |
| 38419 | April 3 | Birth | 1992 – Gaku Sano, Japanese actor |
| 38420 | April 3 | Birth | 1992 – Yuliya Yefimova, Russian swimmer |
| 38421 | April 3 | Birth | 1993 – Pape Moussa Konaté, Senegalese footballer |
| 38422 | April 3 | Birth | 1994 – Dylann Roof, suspected perpetrator of Charleston mass shooting |
| 38423 | April 3 | Birth | 1996 – Mayo Hibi, Japanese tennis player |
| 38424 | April 3 | Birth | 2001 – Sophie Delezio, Australian medical patient |
| 38425 | April 3 | Death | 963 – William III, Duke of Aquitaine (b. 915) |
| 38426 | April 3 | Death | 1203 – Arthur I, Duke of Brittany (b. 1196) |
| 38427 | April 3 | Death | 1287 – Pope Honorius IV (b. 1210) |
| 38428 | April 3 | Death | 1350 – Odo IV, Duke of Burgundy (b. 1295) |
| 38429 | April 3 | Death | 1606 – Charles Blount, 8th Baron Mountjoy, English general and politician, Lord Lieutenant of Ireland (b. 1563) |
| 38430 | April 3 | Death | 1680 – Shivaji, Indian emperor, founded the Maratha Empire (b. 1630) |