- Apr 10 Edmond Thieffry, Belgian WW I pilot, dies at 36
- Apr 15 Antonio Smareglia, Italian composer, dies at 74
- Apr 16 Abraham van Stolk Jzn, Dutch art collector, dies at 57
- Apr 22 Ödön Mihalovich, Hungarian composer, dies at 86
- Apr 22 Henry Lerolle, French painter, dies at 80
- Apr 23 Rudolf W. Nilsen, Norwegian poet (Hverdagen), dies at 28