| 45781 | April 20 | Birth | 1984 – Anthony Fasano, American football player |
| 45782 | April 20 | Birth | 1984 – Tyson Griffin, American mixed martial artist |
| 45783 | April 20 | Birth | 1984 – Edixon Perea, Colombian footballer |
| 45784 | April 20 | Birth | 1984 – Jenna Shoemaker, American triathlete |
| 45785 | April 20 | Birth | 1984 – Harris Wittels, American actor, producer, and screenwriter (d. 2015) |
| 45786 | April 20 | Birth | 1985 – Amanda Fahy, English actress |
| 45787 | April 20 | Birth | 1985 – Curt Hawkins, American wrestler |
| 45788 | April 20 | Birth | 1985 – Ehsan Jami, Dutch-Iranian activist and politician |
| 45789 | April 20 | Birth | 1985 – Billy Magnussen, American actor and bass player |
| 45790 | April 20 | Birth | 1985 – Jadyn Maria, Puerto Rican-American singer-songwriter and actress |
| 45791 | April 20 | Birth | 1985 – Brent Seabrook, Canadian ice hockey player |
| 45792 | April 20 | Birth | 1986 – Cameron Duncan, New Zealand director and screenwriter (d. 2003) |
| 45793 | April 20 | Birth | 1987 – John Patrick Amedori, American actor |
| 45794 | April 20 | Birth | 1987 – Thorsten Kirschbaum, German footballer |
| 45795 | April 20 | Birth | 1987 – Michael Klauß, German footballer |
| 45796 | April 20 | Birth | 1987 – Anna Rossinelli, Swiss singer-songwriter |
| 45797 | April 20 | Birth | 1988 – Brandon Belt, American baseball player |
| 45798 | April 20 | Birth | 1989 – Alex Black, American actor |
| 45799 | April 20 | Birth | 1989 – Heejun Han, South Korean-American singer and actor |
| 45800 | April 20 | Birth | 1989 – Sergei Zenjov, Estonian footballer |
| 45801 | April 20 | Birth | 1990 – Luhan, Chinese singer, dancer, and actor (Exo) |
| 45802 | April 20 | Birth | 1991 – Thomas Curtis, American actor |
| 45803 | April 20 | Birth | 1991 – Marissa King, English gymnast |
| 45804 | April 20 | Birth | 1991 – Ondřej Kraják, Czech footballer |
| 45805 | April 20 | Birth | 1991 – Luke Kuechly, American football player |
| 45806 | April 20 | Birth | 1991 – Allie Will, American tennis player |
| 45807 | April 20 | Birth | 1992 – Kristian Álvarez, Mexican footballer |
| 45808 | April 20 | Birth | 1992 – Marko Meerits, Estonian footballer |
| 45809 | April 20 | Birth | 1992 – Ashton Moio, American actor and martial artist |
| 45810 | April 20 | Birth | 1994 – Anastasia Vdovenco, Moldovan tennis player |