- Apr 1 D[ennis] F[eltham] Jones, sci-fi author (Colossus), dies at 65
- Apr 1 Eua Sunthornsanan, Thai composer and bandleader (b. 1910)
- Apr 2 Delfo Cabrera, Argentine distance runner (Olympic gold marathon 1948), dies in a car accident at 62
- Apr 3 Juan Trippe, American airline pioneer and entrepreneur (Pan Am founder), dies at 81
- Apr 3 Leo Kanner, Austrian-American psychiatrist and social activist known for his work related to autism, dies at 86
- Apr 4 Brad Johnson, actor (Annie Oakley), dies at 56
- Apr 5 Bob "Bear" Hite, rocker (Canned Heat), dies of a heart attack at 36
- Apr 5 Cornelis Verolme, Dutch ship builder, dies at 80
- Apr 7 Christopher "Kit" Lambert, British record producer and manager of The Who, dies of a cerebral hemorrhage at 45
- Apr 8 Norman Taurog, American film director (Skippy), dies at 82
Omar Bradley
Apr 8 Omar Bradley, American WWII General (Invasion of Normandy) and 1st Chairman of the Joint Chiefs of Staff (1949-53), dies of cardiac arrhythmia at 88
Omar Bradley
- Apr 13 Prince Asaka Yasuhiko of Japan, Japanese military commander, dies at 93
- Apr 14 Ivan Galamian, American violinist and violin teacher, dies at 78
- Apr 15 French Duynstee, Dutch states rights leader, dies at 67
- Apr 15 John Thach, American WWII naval aviator (developed the Thach Weave) & USN admiral, dies at 75
- Apr 16 Eric Hollies, English cricket spin bowler (13 Tests, 44 wickets; dismissed Donald Bradman for 0 in his final Test innings), dies at 68
- Apr 18 James H. Schmitz, American sci-fi author (Lion Game), dies at 69
- Apr 19 Ernst Levy, Swiss composer, dies at 85
- Apr 21 Harry Lee, cricketer (scored 18 & 1 in only Test for England), dies
- Apr 21 Eddie Sauter, American musician (Sauter-Finegan Band, Sat Night Revue), dies at 66
- Apr 23 Josep Pla, Spanish journalist & author, dies at 84
- Apr 26 Jim Davis, American actor (Jack Ewing-Dallas), dies at 65
- Apr 26 Madge Evans, American TV panelist (Masquerade Party), dies at 71
- Apr 28 Mickey Walker, American boxer (World Welterweight Champion 1922-26; World Middleweight Champion 1926-29), dies at 79
- Apr 28 Cliff Battles, American football halfback (First-team All-Pro 1933, 34, 36; Boston Braves/Redskins, Washington Redskins), dies at 70
- Apr 30 Peter Huchel, German poet, dies at 78