| 107701 | September 20 | Birth | 1941 – Sammy McMillan, Irish footballer |
| 107702 | September 20 | Birth | 1942 – Rose Francine Rogombé, Gabonese lawyer and politician, President of Gabon (d. 2015) |
| 107703 | September 20 | Birth | 1942 – Gérald Tremblay, Canadian businessman and politician, 41st Mayor of Montreal |
| 107704 | September 20 | Birth | 1944 – Jeremy Child, English actor |
| 107705 | September 20 | Birth | 1946 – Pete Coors, American businessman and politician |
| 107706 | September 20 | Birth | 1946 – Markandey Katju, Indian lawyer and judge |
| 107707 | September 20 | Birth | 1947 – Billy Bang, American violinist and composer (d. 2011) |
| 107708 | September 20 | Birth | 1947 – Jude Deveraux, American author |
| 107709 | September 20 | Birth | 1947 – Steve Gerber, American author and screenwriter (d. 2008) |
| 107710 | September 20 | Birth | 1947 – Wojciech Kurtyka, Polish mountaineer and rock climber |
| 107711 | September 20 | Birth | 1947 – Mia Martini, Italian singer and actress (d. 1995) |
| 107712 | September 20 | Birth | 1947 – Chris Ortloff, American journalist and politician |
| 107713 | September 20 | Birth | 1947 – Bruce Pasternack, American businessman |
| 107714 | September 20 | Birth | 1947 – Patrick Poivre d'Arvor, French journalist and author |
| 107715 | September 20 | Birth | 1948 – Rey Langit, Filipino journalist and radio host |
| 107716 | September 20 | Birth | 1948 – Victoria Mallory, American singer and actress (d. 2014) |
| 107717 | September 20 | Birth | 1948 – George R. R. Martin, American author and screenwriter |
| 107718 | September 20 | Birth | 1948 – Chuck Panozzo, American bass player (Styx) |
| 107719 | September 20 | Birth | 1948 – John Panozzo, American drummer (Styx) (d. 1996) |
| 107720 | September 20 | Birth | 1949 – Mahesh Bhatt, Indian director, producer, and screenwriter |
| 107721 | September 20 | Birth | 1949 – Anthony Denison, American actor |
| 107722 | September 20 | Birth | 1951 – Joanna Cameron, American model and actress |
| 107723 | September 20 | Birth | 1951 – Mike Graham, American wrestler and promoter (d. 2012) |
| 107724 | September 20 | Birth | 1951 – Guy Lafleur, Canadian ice hockey player |
| 107725 | September 20 | Birth | 1951 – Javier Marías, Spanish journalist, author, and academic |
| 107726 | September 20 | Birth | 1953 – Rocky Mattioli, Italian-Australian boxer |
| 107727 | September 20 | Birth | 1954 – Anne McIntosh, Scottish lawyer and politician |
| 107728 | September 20 | Birth | 1954 – Henry Samueli, American businessman, co-founded Broadcom |
| 107729 | September 20 | Birth | 1954 – Brinke Stevens, American actress, producer, and screenwriter |
| 107730 | September 20 | Birth | 1955 – Betsy Brantley, American actress |