- Apr 1 Simo Hayha, Finnish marksman (b. 1905)
- Apr 2 Henry Slesar, American writer and playwright (The Edge of Night), dies at 74
- Apr 2 Jack Kruschen, Canadian character actor (The Apartment, Busting Loose), dies at 80
- Apr 2 John Pierce, American engineer (1st communications satellite Telstar 1), dies at 92
- Apr 3 Fad Gadget [Francis Tovey], English singer and musician, dies of a heart attack at 45
- Apr 4 Harry L. O'Connor, Czech film stuntman
- Apr 5 Layne Staley, American rock singer and guitarist (Alice in Chains - Dirt), dies at 34
- Apr 7 John Agar, American actor (Sands of Iwo Jima, Fort Apache), dies at 81
- Apr 8 María Félix, Mexican actress (Doña Bárbara), dies at 88
- Apr 9 Leopold Vietoris, Austrian mathematician (b. 1891)
- Apr 9 Pat Flaherty, American auto racer (Indianapolis 500, 1956), dies from cancer at 76
- Apr 13 Desmond Titterington, Northern Irish racecar driver, dies at 73
- Apr 14 Buck Baker, American auto racer (Grand National Series Champion 1956. 57; NASCAR Speedway Div Champion 1952), dies at 83
- Apr 15 Byron "Whizzer" White, American football player and U.S. Supreme Court Justice, dies at 84
- Apr 15 Damon Francis Knight, American sci-fi author (CV, Beyond the Barrier), dies at 79
- Apr 15 Dave King, British comedian (Kraft Music Hall), actor (The Long Good Friday), and pop singer ("Memories Are Made of This"), dies at 72
- Apr 15 William Leonard "Will" Reed, British pianist and composer, dies at 91
- Apr 16 Robert Urich, American actor (Spenser: For Hire), dies of cancer at 55
- Apr 16 Ruth Fertel, American restaurateur (Ruth's Chris Steak House in Louisiana), dies at 75
Thor Heyerdahl (1914-2002)
Apr 18 Norwegian anthropologist and explorer (Kon Tiki, Aku-Aku), dies of a brain tumor at 87
- Apr 25 Michael Bryant, British actor (Sakharov, Girly), dies at 74
- Apr 26 Del Sharbutt, American radio and TV announcer (Your Hit Parade), dies at 90
- Apr 26 Robert Steinhäuser, German spree killer, dies at 19
- Apr 27 George Alec Effinger, American author, dies at 55
- Apr 27 Hans Heinrich Thyssen-Bornemisza, Dutch-Swiss industrialist, dies at 81
- Apr 27 Ruth Handler, American toy manufacturer (invented the Barbie doll), dies of cancer at 85
- Apr 28 Alexander Lebed, Russian general, dies at 52
Lou Thesz (1916-2002)
Apr 28 American professional wrestler, dies at 86
- Apr 29 Bob Akin, American industrialist and race car driver (b. 1936)
- Apr 29 Fernando Pessa, Portuguese journalist, dies at 100
- Apr 29 Lor Tok [Sawong Supsamruay], Thai comedian and actor (Ngern, Ngern, Ngern), dies at 88
- Apr 30 Charlotte von Mahlsdorf, founder of the Gründerzeit Museum in Berlin-Mahlsdorf. (b. 1928)
- Apr 30 Leslie Melville, Australian economist and public servant who helped develop the country's central banking system, dies at 100
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide