- Apr 2 Dick Howorth, English cricket all-rounder (5 Tests, 19 wickets; Worcestershire), dies at 70
- Apr 3 Luella Gear, American actress (Joe & Mabel), dies at 82
- Apr 4 Woodrow Wilson "Red" Sovine, American country music singer, dies following a heart attack leading to a car crash at 62
- Apr 9 Kathleen Burke, American actress (Island of Lost Souls), dies at 66
- Apr 10 Kay Medford [ Margaret Kathleen Regan], American actress (Dean Martin Show, To Rome With Love), dies of cancer at 60
- Apr 11 Charlotte Henry, dies
- Apr 11 Florence Lake, American actress (Edgar Kennedy shorts), dies at 75
- Apr 12 Stanley De Silva, cricketer (motor bike Sri Lanka '79 World Cup), dies
- Apr 12 William R Tolbert Jr, Liberian President & 27 others killed in coup
- Apr 12 Clark McConachy, New Zealand billiards and snooker player (b. 1895)
- Apr 13 Markus Höttinger, Austrian racing driver, dies at 23
- Apr 14 Tom Fadden, actor (Duffeild-Broken Arrow, Cimarron City), dies at 84
Jean-Paul Sartre
Apr 15 Jean-Paul Sartre, French existentialist philosopher & writer (Nobel 1964), dies in Paris at 74
Jean-Paul Sartre
- Apr 15 Marshall Reed, American actor (The Madmen of Mandoras, Mysterious Island), dies from a massive hemorrhage at 62
- Apr 15 Paul Langton, American actor (Till the Clouds Roll By, Peyton Place), dies from a heart attack at 66
- Apr 15 Raymond Bailey, American actor (Vertigo, The Beverly Hillbillies, The Incredible Shrinking Man), dies at 75
- Apr 16 Morris Stoloff, American violinist (Picnic, Pal Joey), dies at 81
- Apr 19 Ethel Wilson, actress (Aunt Harriet-Aldrich Family), dies at 88
- Apr 19 Tony Beckley, actor (Assault, When a Stranger Calls), dies at 51
- Apr 21 Aleksandr Oparin, Russian biochemist (b. 1894)
- Apr 21 Sohrab Sepehri, Persian poet and painter (b. 1928)
Jane Froman
Apr 22 Jane Froman, American singer (Jane Froman's USA Canteen), dies at 72
Jane Froman
- Apr 24 Alenjo Carpentier, Cuban/French writer (Guerra del Tiempo), dies at 75
- Apr 25 Katia Mann, German actress and wife of German writer Thomas Mann, dies at 96
- Apr 26 Cicely Courtneidge, Australian-born British actress (Double Exposure), dies at 87
- Apr 28 Dee Carroll [Betty Jean Marsh], actress (Mad Bomber, Split), dies at 54
- Apr 28 Tommy Caldwell, American rocker (Marshall Tucker Band), dies in a jeep crash at 30
Alfred Hitchcock
Apr 29 Alfred Hitchcock, English director (Psycho, Birds, Rear Window), dies of renal failure at 80
Alfred Hitchcock