| 38826 | April 4 | Birth | 1982 – Justin Cook, American voice actor and producer |
| 38827 | April 4 | Birth | 1982 – Magnus Lindgren, Swedish chef (d. 2012) |
| 38828 | April 4 | Birth | 1982 – Kett Turton, American-Canadian actor |
| 38829 | April 4 | Birth | 1983 – Evgeny Artyukhin, Russian ice hockey player |
| 38830 | April 4 | Birth | 1983 – Davide Lufrano Chaves, Italian-English guitarist (Alejandro Toledo and the Magic Tombolinos) (d. 2013) |
| 38831 | April 4 | Birth | 1983 – Fabian Geiser, Swiss footballer |
| 38832 | April 4 | Birth | 1983 – Ben Gordon, American basketball player |
| 38833 | April 4 | Birth | 1983 – Doug Lynch, Canadian ice hockey player |
| 38834 | April 4 | Birth | 1983 – Natalie Pike, Scottish-English model and actress |
| 38835 | April 4 | Birth | 1983 – Amanda Righetti, American actress and producer |
| 38836 | April 4 | Birth | 1983 – Angelle Tymon, American journalist and game show host |
| 38837 | April 4 | Birth | 1984 – Sean May, American basketball player |
| 38838 | April 4 | Birth | 1984 – Arkady Vyatchanin, Russian swimmer |
| 38839 | April 4 | Birth | 1985 – Rudy Fernández, Spanish basketball player |
| 38840 | April 4 | Birth | 1985 – Ricardo Vilar, Brazilian footballer |
| 38841 | April 4 | Birth | 1986 – Eunhyuk, South Korean singer-songwriter and dancer (Super Junior and Donghae & Eunhyuk) |
| 38842 | April 4 | Birth | 1986 – Cameron Barker, Canadian ice hockey player |
| 38843 | April 4 | Birth | 1986 – Aiden McGeady, Irish footballer |
| 38844 | April 4 | Birth | 1986 – Jason Richardson, American hurdler |
| 38845 | April 4 | Birth | 1986 – Alexander Tettey, Norwegian footballer |
| 38846 | April 4 | Birth | 1987 – Sarah Gadon, Canadian actress |
| 38847 | April 4 | Birth | 1987 – Sami Khedira, German footballer |
| 38848 | April 4 | Birth | 1987 – McDonald Mariga, Kenyan footballer |
| 38849 | April 4 | Birth | 1987 – Cameron Maybin, American baseball player |
| 38850 | April 4 | Birth | 1987 – Lauri Pedaja, Estonian actor and hairdresser |
| 38821 | April 4 | Birth | 1981 – Currensy, American rapper (Jet Life and 504 Boyz) |
| 38822 | April 4 | Birth | 1981 – Eduardo Luís Carloto, Brazilian footballer |
| 38823 | April 4 | Birth | 1981 – Casey Daigle, American baseball player |
| 38824 | April 4 | Birth | 1981 – Anna Pyatykh, Russian triple jumper |
| 38825 | April 4 | Birth | 1981 – Ned Vizzini, American author and screenwriter (d. 2013) |