| 37591 | April 1 | Death | 1988 – Jim Jordan, American actor (b. 1896) |
| 37592 | April 1 | Death | 1991 – Martha Graham, American dancer and choreographer (b. 1894) |
| 37593 | April 1 | Death | 1991 – Jaime Guzmán, Chilean lawyer and politician (b. 1946) |
| 37594 | April 1 | Death | 1992 – Michael Havers, Baron Havers, English lawyer and politician, Lord High Chancellor of Great Britain (b. 1923) |
| 37595 | April 1 | Death | 1992 – Nigel Preston, English drummer (The Cult) (b. 1959) |
| 37596 | April 1 | Death | 1993 – Alan Kulwicki, American race car driver (b. 1954) |
| 37597 | April 1 | Death | 1994 – Robert Doisneau, French photographer (b. 1912) |
| 37598 | April 1 | Death | 1995 – H. Adams Carter, American mountaineer, journalist, and educator (b. 1914) |
| 37599 | April 1 | Death | 1995 – Lucie Rie, Austrian-English potter (b. 1902) |
| 37600 | April 1 | Death | 1996 – Jean Le Moyne, Canadian journalist and politician (b. 1913) |
| 37601 | April 1 | Death | 1996 – John McSherry, American baseball player and umpire (b. 1944) |
| 37602 | April 1 | Death | 1997 – Norman Carr, English environmentalist and author (b. 1912) |
| 37603 | April 1 | Death | 1997 – Makar Honcharenko, Ukrainian footballer and manager (b. 1912) |
| 37604 | April 1 | Death | 1998 – Gene Evans, American actor (b. 1922) |
| 37605 | April 1 | Death | 1998 – Rozz Williams, American singer-songwriter and guitarist (Christian Death, Shadow Project, and Premature Ejaculation) (b. 1963) |
| 37606 | April 1 | Death | 1999 – Jesse Stone, American pianist, songwriter, and producer (b. 1901) |
| 37607 | April 1 | Death | 2000 – Alexander Mackenzie Stuart, Baron Mackenzie-Stuart, Scottish lawyer and judge (b. 1924) |
| 37608 | April 1 | Death | 2001 – Olivia Barclay, English astrologer and author (b. 1919) |
| 37609 | April 1 | Death | 2001 – Jo-Jo Moore, American baseball player (b. 1908) |
| 37610 | April 1 | Death | 2001 – Ayhan Şahenk, Turkish businessman, founded Doğuş Holding (b. 1929) |
| 37611 | April 1 | Death | 2001 – Trịnh Công Sơn, Vietnamese guitarist and composer (b. 1939) |
| 37612 | April 1 | Death | 2002 – Simo Häyhä, Finnish soldier and sniper (b. 1905) |
| 37613 | April 1 | Death | 2002 – Aptullah Kuran, Turkish scholar and academic (b. 1927) |
| 37614 | April 1 | Death | 2002 – Gavin Pfuhl, South African cricketer and sportscaster (b. 1947) |
| 37615 | April 1 | Death | 2003 – Leslie Cheung, Hong Kong singer-songwriter, producer, and actor (b. 1956) |
| 37616 | April 1 | Death | 2004 – Paul Atkinson, English guitarist and producer (The Zombies) (b. 1946) |
| 37617 | April 1 | Death | 2004 – Aaron Bank, American colonel, founded the US Army Special Forces (b. 1902) |
| 37618 | April 1 | Death | 2004 – Ioannis Kyrastas, Greek footballer and manager (b. 1952) |
| 37619 | April 1 | Death | 2004 – Carrie Snodgress, American actress (b. 1945) |
| 37620 | April 1 | Death | 2004 – Nilo Soruco, Bolivian-Venezuelan singer-songwriter (b. 1927) |