| 81511 | July 18 | Birth | 1938 – Lennart Hjulström, Swedish actor and director |
| 81512 | July 18 | Birth | 1938 – Ian Stewart, Scottish keyboard player and manager (The Rolling Stones and Rocket 88) (d. 1985) |
| 81513 | July 18 | Birth | 1938 – Paul Verhoeven, Dutch director, producer, and screenwriter |
| 81514 | July 18 | Birth | 1939 – Brian Auger, English keyboard player (Brian Auger and the Trinity, CAB, and The Steampacket) |
| 81515 | July 18 | Birth | 1939 – Dion DiMucci, American singer-songwriter and guitarist (Dion and the Belmonts) |
| 81516 | July 18 | Birth | 1939 – Jerry Moore, American football player and coach |
| 81517 | July 18 | Birth | 1940 – James Brolin, American actor, director, and producer |
| 81518 | July 18 | Birth | 1940 – Joe Torre, American baseball player and manager |
| 81519 | July 18 | Birth | 1941 – Frank Farian, German songwriter and producer |
| 81520 | July 18 | Birth | 1941 – Lonnie Mack, American singer-songwriter and guitarist |
| 81521 | July 18 | Birth | 1941 – Martha Reeves, American singer, actress, and politician (Martha and the Vandellas and The Fascinations) |
| 81522 | July 18 | Birth | 1942 – Giacinto Facchetti, Italian footballer (d. 2006) |
| 81523 | July 18 | Birth | 1942 – Adolf Ogi, Swiss politician, 84th President of the Swiss Confederation |
| 81524 | July 18 | Birth | 1943 – Joseph J. Ellis, American historian and author |
| 81525 | July 18 | Birth | 1944 – David Hemery, English hurdler and author |
| 81526 | July 18 | Birth | 1945 – Pat Doherty, Scottish-Irish politician |
| 81527 | July 18 | Birth | 1946 – Leo Madder, Belgian actor and director |
| 81528 | July 18 | Birth | 1946 – John Naughton, Scottish-Irish journalist, author, and academic |
| 81529 | July 18 | Birth | 1947 – Steve Forbes, American publisher and politician |
| 81530 | July 18 | Birth | 1948 – Carlos Colón Sr., Puerto Rican wrestler and promoter |
| 81531 | July 18 | Birth | 1948 – Hartmut Michel, German biochemist and academic, Nobel Prize laureate |
| 81532 | July 18 | Birth | 1949 – Dennis Lillee, Australian cricketer and coach |
| 81533 | July 18 | Birth | 1950 – Richard Branson, English businessman, founded Virgin Group |
| 81534 | July 18 | Birth | 1950 – Jack Dongarra, American computer scientist and academic |
| 81535 | July 18 | Birth | 1950 – Kostas Eleftherakis, Greek footballer |
| 81536 | July 18 | Birth | 1950 – Glenn Hughes, American singer, dancer, and actor (Village People) (d. 2001) |
| 81537 | July 18 | Birth | 1950 – Jack Layton, Canadian political scientist, academic, and politician (d. 2011) |
| 81538 | July 18 | Birth | 1950 – Mark Udall, American educator and politician |
| 81539 | July 18 | Birth | 1951 – Elio Di Rupo, Belgian chemist, academic, and politician, 68th Prime Minister of Belgium |
| 81540 | July 18 | Birth | 1951 – Margo Martindale, American actress |