- Apr 2 James Douglas, Scottish physician and anatomist (b. 1675)
- Apr 10 Wilhelmine Amalia of Brunswick-Lüneburg, Holy Roman Empire Empress, dies at 68
- Apr 13 Giovanni Veneziano, Italian composer, dies at 59
- Apr 17 Arvid Horn, Swedish statesman (b. 1664)
- Apr 23 Mihael Omerza, Slovenian composer, dies at 62