| 40921 | April 9 | Birth | 1961 – Kirk McCaskill, Canadian-American baseball and hockey player |
| 40922 | April 9 | Birth | 1962 – John Eaves, American production designer and illustrator |
| 40923 | April 9 | Birth | 1962 – Ihor Podolchak, Ukrainian director, producer, and screenwriter |
| 40924 | April 9 | Birth | 1962 – Imran Sherwani, English field hockey player |
| 40925 | April 9 | Birth | 1962 – Jeff Turner, American basketball player, coach, and sportscaster |
| 40926 | April 9 | Birth | 1963 – Marc Jacobs, American-French fashion designer |
| 40927 | April 9 | Birth | 1963 – Joe Scarborough, American journalist, lawyer, and politician |
| 40928 | April 9 | Birth | 1964 – Rob Awalt, German-American football player |
| 40929 | April 9 | Birth | 1964 – Juliet Cuthbert, Jamaican sprinter |
| 40930 | April 9 | Birth | 1964 – Daniel Escobar, American actor (d. 2013) |
| 40931 | April 9 | Birth | 1964 – Lisa Guerrero, American actress and journalist |
| 40932 | April 9 | Birth | 1964 – Soyo Oka, Japanese pianist and composer |
| 40933 | April 9 | Birth | 1964 – Peter Penashue, Canadian businessman and politician, 9th Canadian Minister of Intergovernmental Affairs |
| 40934 | April 9 | Birth | 1964 – Margaret Peterson Haddix, American author |
| 40935 | April 9 | Birth | 1964 – Rick Tocchet, Canadian-American ice hockey player and coach |
| 40936 | April 9 | Birth | 1965 – Jay Wesley Neill, American murderer (d. 2002) |
| 40937 | April 9 | Birth | 1965 – Mark Pellegrino, American actor |
| 40938 | April 9 | Birth | 1965 – Paulina Porizkova, Czech-American model and actress |
| 40939 | April 9 | Birth | 1965 – Jeff Zucker, American businessman |
| 40940 | April 9 | Birth | 1966 – John Hammond, English weather forecaster |
| 40941 | April 9 | Birth | 1966 – Cynthia Nixon, American actress and singer |
| 40942 | April 9 | Birth | 1967 – Natascha Engel, German-English translator and politician |
| 40943 | April 9 | Birth | 1967 – Alex Kahn, American puppeteer |
| 40944 | April 9 | Birth | 1969 – Linda Kisabaka, German runner |
| 40945 | April 9 | Birth | 1969 – April Boy Regino, Filipino singer-songwriter |
| 40946 | April 9 | Birth | 1970 – Chorão, Brazilian singer-songwriter (Charlie Brown Jr.) (d. 2013) |
| 40947 | April 9 | Birth | 1970 – Mike Barz, American journalist |
| 40948 | April 9 | Birth | 1970 – Tricia Penrose, English actress and singer |
| 40949 | April 9 | Birth | 1971 – Peter Canavan, Irish footballer and manager |
| 40950 | April 9 | Birth | 1971 – Leo Fortune-West, English footballer and manager |