| 40981 | April 9 | Birth | 1980 – Sarah Ayton, English sailor |
| 40982 | April 9 | Birth | 1980 – Luciano Galletti, Argentinian footballer |
| 40983 | April 9 | Birth | 1980 – Yoanna House, American model and actress |
| 40984 | April 9 | Birth | 1980 – Jerko Leko, Croatian footballer |
| 40985 | April 9 | Birth | 1980 – Ryan Northcott, Canadian actor |
| 40986 | April 9 | Birth | 1980 – Isabelle Severino, French gymnast and actress |
| 40987 | April 9 | Birth | 1980 – Rachel Specter, American actress and screenwriter |
| 40988 | April 9 | Birth | 1980 – Lee Yo-won, South Korean actress and singer |
| 40989 | April 9 | Birth | 1981 – Moran Atias, Israeli actress and model |
| 40990 | April 9 | Birth | 1981 – Milan Bartovič, Czech ice hockey player |
| 40991 | April 9 | Birth | 1981 – A. J. Ellis, American baseball player |
| 40992 | April 9 | Birth | 1981 – Arlen Escarpeta, Belizean-American actor |
| 40993 | April 9 | Birth | 1981 – Eric Harris, American murderer, committed the Columbine High School massacre (d. 1999) |
| 40994 | April 9 | Birth | 1981 – Ireneusz Jeleń, Polish footballer |
| 40995 | April 9 | Birth | 1981 – Dennis Sarfate, American baseball player |
| 40996 | April 9 | Birth | 1981 – Melissa Witek, American model, Miss Florida USA 2005 |
| 40997 | April 9 | Birth | 1982 – Jay Baruchel, Canadian actor, director, producer, and screenwriter |
| 40998 | April 9 | Birth | 1982 – Carlos Hernández, Costa Rican footballer |
| 40999 | April 9 | Birth | 1982 – Kathleen Munroe, Canadian-American actress |
| 41000 | April 9 | Birth | 1983 – Ryan Clark, Australian actor |
| 41001 | April 9 | Birth | 1983 – Willie Colon, American football player |
| 41002 | April 9 | Birth | 1984 – Linda Chung, Canadian-Hong Kong actress and singer |
| 41003 | April 9 | Birth | 1984 – Habiba Ghribi, Tunisian runner |
| 41004 | April 9 | Birth | 1984 – Adam Loewen, Canadian baseball player |
| 41005 | April 9 | Birth | 1984 – Lili Mirojnick, American actress |
| 41006 | April 9 | Birth | 1984 – Óscar Razo, Mexican footballer |
| 41007 | April 9 | Birth | 1985 – Antonio Nocerino, Italian footballer |
| 41008 | April 9 | Birth | 1985 – David Robertson, American baseball player |
| 41009 | April 9 | Birth | 1985 – Tomohisa Yamashita, Japanese actor and singer (NEWS, Kitty GYM, and Shūji to Akira) |
| 41010 | April 9 | Birth | 1986 – Mike Hart, American football player |