| 82651 | July 21 | Birth | 1973 – Elena Leonova, Russian figure skater |
| 82652 | July 21 | Birth | 1973 – Caroline Néron, Canadian singer, actress, and fashion designer |
| 82653 | July 21 | Birth | 1974 – Bharath, Indian actor |
| 82654 | July 21 | Birth | 1974 – Steve Byrne, American comedian and actor |
| 82655 | July 21 | Birth | 1974 – Geoff Jenkins, American baseball player and coach |
| 82656 | July 21 | Birth | 1974 – René Reinumägi, Estonian actor, director, and screenwriter |
| 82657 | July 21 | Birth | 1975 – Christopher Barzak, American author and educator |
| 82658 | July 21 | Birth | 1975 – Chris Bisson, English actor |
| 82659 | July 21 | Birth | 1975 – Cara Dillon, Irish singer-songwriter (Equation) |
| 82660 | July 21 | Birth | 1975 – Ravindra Pushpakumara, Sri Lankan cricketer |
| 82661 | July 21 | Birth | 1975 – Mike Sellers, American football player |
| 82662 | July 21 | Birth | 1977 – Paul Casey, English golfer |
| 82663 | July 21 | Birth | 1977 – Jaime Murray, English actress |
| 82664 | July 21 | Birth | 1978 – Justin Bartha, American actor and producer |
| 82665 | July 21 | Birth | 1978 – Anderson da Silva Gibin, Brazilian footballer |
| 82666 | July 21 | Birth | 1978 – Josh Hartnett, American actor and producer |
| 82667 | July 21 | Birth | 1978 – Julian Huppert, English academic and politician |
| 82668 | July 21 | Birth | 1978 – Kyoko Iwasaki, Japanese swimmer |
| 82669 | July 21 | Birth | 1978 – Damian Marley, Jamaican singer-songwriter and producer (SuperHeavy) |
| 82670 | July 21 | Birth | 1978 – Gary Teale, Scottish footballer |
| 82671 | July 21 | Birth | 1979 – David Carr, American football player |
| 82672 | July 21 | Birth | 1979 – Tamika Catchings, American basketball player |
| 82673 | July 21 | Birth | 1979 – Luis Ernesto Michel, Mexican footballer |
| 82674 | July 21 | Birth | 1979 – Andriy Voronin, Ukrainian footballer |
| 82675 | July 21 | Birth | 1980 – Really Doe, American rapper |
| 82676 | July 21 | Birth | 1980 – Sprague Grayden, American actress |
| 82677 | July 21 | Birth | 1980 – Justin Griffith, American football player |
| 82678 | July 21 | Birth | 1980 – Sandra Laoura, French skier |
| 82679 | July 21 | Birth | 1980 – Chris Leben, American mixed martial artist |
| 82680 | July 21 | Birth | 1980 – CC Sabathia, American baseball player |