- Apr 3 Edward "Ned" Sparks, Canadian actor (42nd Street, Imitation of Life), dies from intestinal obstruction at 73
- Apr 4 E. Herbert Norman, Canadian diplomat (b. 1909)
- Apr 8 Frank Chester, English cricketer and distinguished 1-armed Test umpire, dies at 62
- Apr 15 Pedro Infante, Mexican actor and ranchero singer, dies as co-pilot in a plane crash at 39
- Apr 19 Charles Earle Funk, American lexicographer (Funk & Wagnalls), dies at 76
- Apr 19 Johan Willem Albarda, 1st Dutch socialist minister (1939-45), dies at 79
- Apr 22 Roy Campbell, South African poet (Garcia Lorca), dies at 54
- Apr 23 William Orlamond, Danish actor (Flesh and the Devil, The Wind), dies at 89
- Apr 24 Andries Cornelis Dirk de Graeff, Dutch politician (Governor-General of the Dutch East Indies 1926-31), dies at 84
- Apr 26 Gichin Funakoshi, Japanese martial artist, Father of Japanese Shotokan Karatedo, dies at 88
- Apr 28 Heinz Bär, German fighter pilot, dies at 43
- Apr 29 Olallo Morales, Spanish-Swedish pianist, composer, conductor, and educator, dies at 82
- Apr 30 Ludwig Schiedermair, German musicologist (Beethoven), dies at 80
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide