| 1231 | January 3 | Birth | 1942 – John Thaw, English actor and producer (d. 2002) |
| 1232 | January 3 | Birth | 1943 – Jarl Alfredius, Swedish journalist (d. 2009) |
| 1233 | January 3 | Birth | 1944 – David Atherton, English conductor, co-founded London Sinfonietta |
| 1234 | January 3 | Birth | 1944 – Raewyn Connell, Australian sociologist |
| 1235 | January 3 | Birth | 1944 – Blanche d'Alpuget, Australian author |
| 1236 | January 3 | Birth | 1945 – David Starkey, English historian and academic |
| 1237 | January 3 | Birth | 1945 – Stephen Stills, American singer-songwriter, guitarist, and producer |
| 1238 | January 3 | Birth | 1946 – John Paul Jones, English bass player, songwriter, and producer (Led Zeppelin and Them Crooked Vultures) |
| 1239 | January 3 | Birth | 1946 – Cissy King, American singer and dancer |
| 1240 | January 3 | Birth | 1946 – Michalis Kritikopoulos, Greek footballer (d. 2002) |
| 1241 | January 3 | Birth | 1947 – Zulema, American singer-songwriter (Faith Hope and Charity) (d. 2013) |
| 1242 | January 3 | Birth | 1950 – Masha and Dasha Krivoshlyapova, Russian conjoined twins (d. 2003) |
| 1243 | January 3 | Birth | 1950 – Victoria Principal, American actress and producer |
| 1244 | January 3 | Birth | 1950 – Linda Steiner, American communications academic |
| 1245 | January 3 | Birth | 1951 – Linda Dobbs, British lawyer and judge |
| 1246 | January 3 | Birth | 1951 – Gary Nairn, Australian surveyor and politician |
| 1247 | January 3 | Birth | 1952 – Esperanza Aguirre, Spanish politician, 3rd President of the Community of Madrid |
| 1248 | January 3 | Birth | 1952 – Gianfranco Fini, Italian journalist and politician Italian Minister of Foreign Affairs |
| 1249 | January 3 | Birth | 1952 – Jim Ross, American wrestler and sportscaster |
| 1250 | January 3 | Birth | 1953 – Justin Fleming, Australian playwright and author |
| 1251 | January 3 | Birth | 1953 – Mohammed Waheed Hassan, Maldivian educator and politician, 5th President of the Maldives |
| 1252 | January 3 | Birth | 1954 – Dean Hart, Canadian wrestler and referee (d. 1990) |
| 1253 | January 3 | Birth | 1954 – Ned Lamont, American businessman and politician |
| 1254 | January 3 | Birth | 1954 – Ross the Boss, American guitarist and songwriter |
| 1255 | January 3 | Birth | 1955 – Palmolive, Spanish-English drummer (The Slits, The Raincoats, and The Flowers of Romance) |
| 1256 | January 3 | Birth | 1956 – Mel Gibson, American-Australian actor, director, producer, and screenwriter |
| 1257 | January 3 | Birth | 1956 – Sam Laidlaw, English businessman |
| 1258 | January 3 | Birth | 1956 – Willy T. Ribbs, American race car driver |
| 1259 | January 3 | Birth | 1958 – James J. Greco, American businessman |
| 1260 | January 3 | Birth | 1958 – Shim Hyung-rae, South Korean actor, director, and producer |