| 86401 | July 31 | Birth | 1943 – Sab Shimono, American actor and singer |
| 86402 | July 31 | Birth | 1944 – Geraldine Chaplin, American actress and screenwriter |
| 86403 | July 31 | Birth | 1944 – Jonathan Dimbleby, English journalist and author |
| 86404 | July 31 | Birth | 1944 – Sherry Lansing, American actress and producer |
| 86405 | July 31 | Birth | 1944 – Robert C. Merton, American economist and academic, Nobel Prize laureate |
| 86406 | July 31 | Birth | 1944 – David Norris, Congolese-Irish scholar and politician |
| 86407 | July 31 | Birth | 1945 – William Weld, American lawyer and politician, 68th Governor of Massachusetts |
| 86408 | July 31 | Birth | 1946 – Gary Lewis, American singer and drummer (Gary Lewis & the Playboys) |
| 86409 | July 31 | Birth | 1946 – Karen Zerby, American cult leader |
| 86410 | July 31 | Birth | 1947 – Richard Griffiths, English actor (d. 2013) |
| 86411 | July 31 | Birth | 1947 – Hubert Védrine, French politician, French Minister of Foreign Affairs |
| 86412 | July 31 | Birth | 1948 – Russell Morris, Australian singer-songwriter and guitarist |
| 86413 | July 31 | Birth | 1949 – Mike Jackson, American basketball player |
| 86414 | July 31 | Birth | 1949 – Alan Meale, English journalist and politician |
| 86415 | July 31 | Birth | 1950 – Richard Berry, French actor, director, and screenwriter |
| 86416 | July 31 | Birth | 1950 – Lane Davies, American actor |
| 86417 | July 31 | Birth | 1950 – Charlie Williams, English racing motorcyclist |
| 86418 | July 31 | Birth | 1951 – Evonne Goolagong Cawley, Australian tennis player |
| 86419 | July 31 | Birth | 1951 – Barry Van Dyke, American actor and screenwriter |
| 86420 | July 31 | Birth | 1952 – Chris Ahrens, American ice hockey player |
| 86421 | July 31 | Birth | 1952 – Alan Autry, American football player, actor, and politician, 23rd Mayor of Fresno, California |
| 86422 | July 31 | Birth | 1952 – Helmuts Balderis, Latvian ice hockey player and coach |
| 86423 | July 31 | Birth | 1952 – João Barreiros, Portuguese author and critic |
| 86424 | July 31 | Birth | 1952 – Faye Kellerman, American author |
| 86425 | July 31 | Birth | 1953 – Ted Baillieu, Australian architect and politician, 46th Premier of Victoria |
| 86426 | July 31 | Birth | 1953 – Jimmy Cook, South African cricketer and coach |
| 86427 | July 31 | Birth | 1953 – Tōru Furuya, Japanese voice actor |
| 86428 | July 31 | Birth | 1953 – James Read, American actor |
| 86429 | July 31 | Birth | 1954 – Manivannan, Indian actor and director (d. 2013) |
| 86430 | July 31 | Birth | 1954 – Rainer Bock, German actor |