| 31111 | March 20 | Birth | 1934 – David Malouf, Australian author and playwright |
| 31112 | March 20 | Birth | 1935 – Ted Bessell, American actor and director (d. 1996) |
| 31113 | March 20 | Birth | 1936 – Harold Mabern, American pianist and composer |
| 31114 | March 20 | Birth | 1936 – Vaughn Meader, American comedian and actor (d. 2004) |
| 31115 | March 20 | Birth | 1936 – Lee "Scratch" Perry, Jamaican singer and producer |
| 31116 | March 20 | Birth | 1936 – Mark Saville, Baron Saville of Newdigate, English lieutenant, lawyer, and judge |
| 31117 | March 20 | Birth | 1937 – Lois Lowry, American author |
| 31118 | March 20 | Birth | 1937 – Jerry Reed, American singer-songwriter, guitarist, and actor (d. 2008) |
| 31119 | March 20 | Birth | 1938 – Sergei Novikov, Russian mathematician and academic |
| 31120 | March 20 | Birth | 1939 – Gerald Curran, American lawyer and politician (d. 2013) |
| 31121 | March 20 | Birth | 1939 – Don Edwards, American singer-songwriter and guitarist |
| 31122 | March 20 | Birth | 1939 – Walter Jakob Gehring, Swiss biologist and academic (d. 2014) |
| 31123 | March 20 | Birth | 1939 – Brian Mulroney, Canadian lawyer and politician 18th Prime Minister of Canada |
| 31124 | March 20 | Birth | 1940 – Stathis Chaitas, Greek footballer and manager |
| 31125 | March 20 | Birth | 1940 – Mary Ellen Mark, American photographer and journalist (d. 2015) |
| 31126 | March 20 | Birth | 1940 – Giampiero Moretti, Italian race car driver and businessman, founded the Momo company (d. 2012) |
| 31127 | March 20 | Birth | 1941 – Pat Corrales, American baseball player and manager |
| 31128 | March 20 | Birth | 1941 – Kenji Kimihara, Japanese runner |
| 31129 | March 20 | Birth | 1942 – Robin Luke, American singer and educator |
| 31130 | March 20 | Birth | 1943 – Gerard Malanga, American poet and photographer |
| 31131 | March 20 | Birth | 1943 – Paul Junger Witt, American director and producer |
| 31132 | March 20 | Birth | 1944 – John Cameron, English composer and conductor |
| 31133 | March 20 | Birth | 1944 – Camille Cosby, American author, producer, and philanthropist |
| 31134 | March 20 | Birth | 1944 – Alan Harper, English-Irish archbishop |
| 31135 | March 20 | Birth | 1945 – Henry Bartholomay, American soldier and pilot |
| 31136 | March 20 | Birth | 1945 – Jay Ingram, Canadian television host and author |
| 31137 | March 20 | Birth | 1945 – Pat Riley, American basketball player and coach |
| 31138 | March 20 | Birth | 1945 – Tim Yeo, English politician, Shadow Secretary of State for Health |
| 31139 | March 20 | Birth | 1946 – Douglas B. Green, American singer-songwriter and guitarist (Riders in the Sky) |
| 31140 | March 20 | Birth | 1946 – Malcolm Simmons, English motorcycle racer (d. 2014) |