| 113101 | October 3 | Birth | 1928 – Shridath Ramphal, Guyanese academic and politician, 2nd Commonwealth Secretary-General |
| 113102 | October 3 | Birth | 1931 – Glenn Hall, Canadian ice hockey player and coach |
| 113103 | October 3 | Birth | 1932 – Terence English, South African-English surgeon and academic |
| 113104 | October 3 | Birth | 1933 – Neale Fraser, Australian tennis player |
| 113105 | October 3 | Birth | 1934 – Benjamin Boretz, American composer and theorist |
| 113106 | October 3 | Birth | 1934 – Miguel-Ángel Cárdenas, Colombian-Dutch painter and illustrator (d. 2015) |
| 113107 | October 3 | Birth | 1934 – Simon Nicholson, English sculptor and painter (d. 1990) |
| 113108 | October 3 | Birth | 1934 – Koo Nimo, Ghanaian singer and guitarist |
| 113109 | October 3 | Birth | 1935 – Charles Duke, American general, pilot, and astronaut |
| 113110 | October 3 | Birth | 1936 – Steve Reich, American composer |
| 113111 | October 3 | Birth | 1938 – Eddie Cochran, American singer-songwriter, guitarist, and actor (d. 1960) |
| 113112 | October 3 | Birth | 1938 – David Hart Dyke, English captain |
| 113113 | October 3 | Birth | 1938 – Jack Hodgins, Canadian author and academic |
| 113114 | October 3 | Birth | 1938 – Tereza Kesovija, Croatian singer |
| 113115 | October 3 | Birth | 1938 – Dave Obey, American lawyer and politician |
| 113116 | October 3 | Birth | 1939 – Bob Armstrong, American wrestler and trainer |
| 113117 | October 3 | Birth | 1940 – Sheila Fearn, English actress |
| 113118 | October 3 | Birth | 1940 – Alan O'Day, American singer-songwriter (d. 2013) |
| 113119 | October 3 | Birth | 1940 – Jean Ratelle, Canadian ice hockey player and coach |
| 113120 | October 3 | Birth | 1941 – Chubby Checker, American singer-songwriter |
| 113121 | October 3 | Birth | 1941 – Andrea de Adamich, Italian race car driver and sportscaster |
| 113122 | October 3 | Birth | 1941 – John Elliott, Australian businessman |
| 113123 | October 3 | Birth | 1941 – Ruggero Raimondi, Italian actor and singer |
| 113124 | October 3 | Birth | 1942 – Alan Rachins, American actor and screenwriter |
| 113125 | October 3 | Birth | 1943 – Jeff Bingaman, American solder and politician, 25th Attorney General of New Mexico |
| 113126 | October 3 | Birth | 1943 – Baki İlkin, Turkish civil servant and diplomat |
| 113127 | October 3 | Birth | 1944 – Pierre Deligne, Belgian mathematician and academic |
| 113128 | October 3 | Birth | 1944 – Roy Horn, German-American magician and actor |
| 113129 | October 3 | Birth | 1945 – Tony Brown, English footballer and sportscaster |
| 113130 | October 3 | Birth | 1945 – Christopher Bruce, English dancer and choreographer |