| 44731 | April 18 | Birth | 1919 – Virginia O'Brien, American actress and singer (d. 2001) |
| 44732 | April 18 | Birth | 1920 – John F. Wiley, American football player and coach (d. 2013) |
| 44733 | April 18 | Birth | 1921 – Jean Richard, French actor and singer (d. 2001) |
| 44734 | April 18 | Birth | 1922 – Barbara Hale, American actress |
| 44735 | April 18 | Birth | 1922 – Lord Kitchner, Trinidadian singer (d. 2000) |
| 44736 | April 18 | Birth | 1923 – Alfred Bieler, Swiss ice hockey player (d. 2013) |
| 44737 | April 18 | Birth | 1923 – Beryl Platt, Baroness Platt of Writtle, English engineer and politician (d. 2015) |
| 44738 | April 18 | Birth | 1924 – Clarence "Gatemouth" Brown, American singer-songwriter and guitarist (d. 2005) |
| 44739 | April 18 | Birth | 1924 – Henry Hyde, American commander, lawyer, and politician (d. 2007) |
| 44740 | April 18 | Birth | 1924 – Roy Mason, English miner and politician, Secretary of State for Defence (d. 2015) |
| 44741 | April 18 | Birth | 1925 – Bob Hastings, American actor (d. 2014) |
| 44742 | April 18 | Birth | 1925 – Marcus Schmuck, Austrian mountaineer and author (d. 2005) |
| 44743 | April 18 | Birth | 1926 – Doug Insole, English cricketer |
| 44744 | April 18 | Birth | 1926 – Günter Meisner, German actor (d. 1994) |
| 44745 | April 18 | Birth | 1927 – Samuel P. Huntington, American political scientist, author, and academic (d. 2008) |
| 44746 | April 18 | Birth | 1927 – Tadeusz Mazowiecki, Polish journalist and politician, Prime Minister of Poland (d. 2013) |
| 44747 | April 18 | Birth | 1927 – Charles Pasqua, French businessman and politician, French Minister of the Interior (d. 2015) |
| 44748 | April 18 | Birth | 1928 – Karl Josef Becker, German cardinal and theologian (d. 2015) |
| 44749 | April 18 | Birth | 1928 – Otto Piene, German sculptor and academic (d. 2014) |
| 44750 | April 18 | Birth | 1929 – Peter Hordern, English soldier and politician |
| 44751 | April 18 | Birth | 1930 – Clive Revill, New Zealand-English actor and singer |
| 44752 | April 18 | Birth | 1931 – Bill Miles, American director and producer (d. 2013) |
| 44753 | April 18 | Birth | 1934 – James Drury, American actor |
| 44754 | April 18 | Birth | 1934 – George Shirley, American tenor and educator |
| 44755 | April 18 | Birth | 1935 – Jerry Dexter, American voice actor (d. 2013) |
| 44756 | April 18 | Birth | 1935 – Costas Ferris, Egyptian-Greek actor, director, producer, and screenwriter |
| 44757 | April 18 | Birth | 1936 – Roger Graef, American-English criminologist, director, and producer |
| 44758 | April 18 | Birth | 1936 – Vladimir Hütt, Estonian physicist and philosopher (d. 1997) |
| 44759 | April 18 | Birth | 1936 – Tommy Ivo, American actor and race car driver |
| 44760 | April 18 | Birth | 1937 – Jan Kaplický, Czech architect, designed the Selfridges Building (d. 2009) |