- Apr 1 Andreas Aschenbach, German painter/engraver, dies at 94
- Apr 2 Boyd Alexander, English explorer (Niger to the Nile), murdered at 37
- Apr 2 Friedrich von Bodelschwingh, German theologist, dies at 79
- Apr 12 William G Sumner, US sociologist, politicologist (Folkways), dies at 69
- Apr 13 William Orchardson, British painter, dies
- Apr 14 Mikhail Vrubel, Russian painter (b. 1856)
- Apr 17 Ignacio Mariscal, Mexican lawyer and diplomat (Secretary of Foreign Affairs), dies at 80
Mark Twain
Apr 21 Mark Twain [Samuel Clemens], American author (Adventures of Huckleberry Finn), dies at 74
Mark Twain
- Apr 26 Bjornstjerne Bjornson, Norwegian writer (Mary, Nobel 1903), dies at 77