| 83401 | July 23 | Birth | 1971 – Christopher Lee, Malaysian actor, host and singer |
| 83402 | July 23 | Birth | 1971 – Chris Michalek, American harmonica player (d. 2010) |
| 83403 | July 23 | Birth | 1971 – Joel Stein, American journalist |
| 83404 | July 23 | Birth | 1972 – Giovane Élber, Brazilian footballer |
| 83405 | July 23 | Birth | 1972 – Suat Kılıç, Turkish journalist, lawyer, and politician, Turkish Minister of Youth and Sports |
| 83406 | July 23 | Birth | 1972 – Floyd Reifer, Barbadian cricketer and coach |
| 83407 | July 23 | Birth | 1972 – Marlon Wayans, American actor, director, producer, and screenwriter |
| 83408 | July 23 | Birth | 1973 – Nomar Garciaparra, American baseball player and sportscaster |
| 83409 | July 23 | Birth | 1973 – Fran Healy, English-Scottish singer-songwriter and guitarist (Travis) |
| 83410 | July 23 | Birth | 1973 – Monica Lewinsky, American author and handbag designer |
| 83411 | July 23 | Birth | 1973 – Himesh Reshammiya, Indian singer-songwriter, producer, actor, and director |
| 83412 | July 23 | Birth | 1973 – Andrea Scanavacca, Italian rugby player and manager |
| 83413 | July 23 | Birth | 1974 – Terry Glenn, American football player and coach |
| 83414 | July 23 | Birth | 1974 – Maurice Greene, American sprinter |
| 83415 | July 23 | Birth | 1974 – Kathryn Hahn, American actress and screenwriter |
| 83416 | July 23 | Birth | 1974 – Stephanie March, American actress |
| 83417 | July 23 | Birth | 1974 – Sonny Siaki, Samoan-American wrestler |
| 83418 | July 23 | Birth | 1974 – Rik Verbrugghe, Belgian cyclist |
| 83419 | July 23 | Birth | 1975 – Suriya, Indian actor and producer |
| 83420 | July 23 | Birth | 1975 – Sung Hyun-ah, South Korean model and actress |
| 83421 | July 23 | Birth | 1975 – Dan Rogerson, English politician |
| 83422 | July 23 | Birth | 1976 – Judit Polgár, Hungarian chess player |
| 83423 | July 23 | Birth | 1977 – Scott Clemmensen, American ice hockey player and coach |
| 83424 | July 23 | Birth | 1977 – Néicer Reasco, Ecuadorian footballer |
| 83425 | July 23 | Birth | 1977 – Shawn Thornton, Canadian ice hockey player |
| 83426 | July 23 | Birth | 1978 – Stuart Elliott, Northern Irish footballer |
| 83427 | July 23 | Birth | 1978 – Marianela González, Venezuelan actress |
| 83428 | July 23 | Birth | 1978 – Stefanie Sun, Singaporean singer-songwriter and pianist |
| 83429 | July 23 | Birth | 1978 – Lauren Groff, American novelist and short story writer |
| 83430 | July 23 | Birth | 1979 – Perro Aguayo Jr., Mexican wrestler and promoter (d. 2015) |