| 81571 | July 18 | Birth | 1967 – Vin Diesel, American actor, director, producer, and screenwriter |
| 81572 | July 18 | Birth | 1968 – Grant Bowler, New Zealand-Australian actor |
| 81573 | July 18 | Birth | 1968 – Alex Désert, American actor and singer (Hepcat) |
| 81574 | July 18 | Birth | 1968 – Scott Gourley, Australian rugby player |
| 81575 | July 18 | Birth | 1969 – Elizabeth Gilbert, American author |
| 81576 | July 18 | Birth | 1969 – The Great Sasuke, Japanese wrestler and politician |
| 81577 | July 18 | Birth | 1970 – Cheryl Casone, American journalist |
| 81578 | July 18 | Birth | 1971 – Penny Hardaway, American basketball player and coach |
| 81579 | July 18 | Birth | 1971 – Sarah McLeod, New Zealand actress |
| 81580 | July 18 | Birth | 1971 – Sukhwinder Singh, Indian singer-songwriter and actor |
| 81581 | July 18 | Birth | 1972 – Titoff, French actor and humorist |
| 81582 | July 18 | Birth | 1975 – M.I.A., English rapper and producer |
| 81583 | July 18 | Birth | 1975 – Torii Hunter, American baseball player |
| 81584 | July 18 | Birth | 1975 – Daron Malakian, American singer-songwriter, guitarist, and producer (System of a Down and Scars on Broadway) |
| 81585 | July 18 | Birth | 1976 – Valerie Cruz, American actress |
| 81586 | July 18 | Birth | 1976 – Elsa Pataky, Spanish-American actress |
| 81587 | July 18 | Birth | 1977 – Alexander Morozevich, Russian chess player and author |
| 81588 | July 18 | Birth | 1977 – Kelly Reilly, English actress and producer |
| 81589 | July 18 | Birth | 1977 – Alfian Sa'at, Singaporean poet and playwright |
| 81590 | July 18 | Birth | 1978 – Adabel Guerrero, Argentinian actress, singer, and dancer |
| 81591 | July 18 | Birth | 1978 – Shane Horgan, Irish rugby player and sportscaster |
| 81592 | July 18 | Birth | 1978 – Annie Mac, Irish radio and television host |
| 81593 | July 18 | Birth | 1978 – Joo Sang-wook, South Korean actor |
| 81594 | July 18 | Birth | 1978 – Ben Sheets, American baseball player and coach |
| 81595 | July 18 | Birth | 1978 – Mélissa Theuriau, French journalist |
| 81596 | July 18 | Birth | 1979 – Deion Branch, American football player |
| 81597 | July 18 | Birth | 1979 – Jared Hess, American director and screenwriter |
| 81598 | July 18 | Birth | 1979 – Joey Mercury, American wrestler and producer |
| 81599 | July 18 | Birth | 1980 – Kristen Bell, American actress, singer, and producer |
| 81600 | July 18 | Birth | 1980 – Ryōko Hirosue, Japanese actress and singer |