- Apr 4 C. L. Moore, American science fiction and fantasy writer (Judgment Night), dies at 76
- Apr 8 Francis C. Denebrink, US Naval officer (WW I, WW II, Korea) dies at 90
- Apr 11 Erskine Caldwell, American novelist (Tobacco Road, God's Little Acre), dies at 83
- Apr 11 Primo Levi, Italian chemist and writer (Survival in Auschwitz), dies at 67
- Apr 12 Ewan Calague, economist/statistician (Social Security) dies at 90
- Apr 17 Cecil Harmsworth King, owner of Mirror Group Newspapers (b. 1901)
- Apr 17 Willie Donnell Smith, American fashion designer (WilliWear), dies of pneumonia at 39
- Apr 17 Cornelius Van Til, Dutch philosopher and Christian apologist, dies at 91
- Apr 19 Maxwell D. Taylor, American army general, (WWII Commander 101st airborne), Chairman of Joint Chiefs of Staff 1962-64), dies at 85
- Apr 21 Edith Green, American politician (Rep-D-Oregon 1955-74), dies at 77
- Apr 26 John Ernest Silkin, British politician, dies at 64
- Apr 28 Ben Linder, American engineer, murdered by Contras in Nicaragua at 27