- Apr 7 Georg Wenzel Ritter, composer
- Apr 12 Antoine Laurent de Jussieu, French botanist (Classification of flowering plants), born in Lyon, France (d. 1836)
- Apr 20 Georg Michael Telemann, German composer, born in Plön, Germany (d. 1831)
- Apr 20 Guillaume Albert Teniers, Flemish composer, born in Leuven, Belgium (d. 1820)
- Apr 27 Adamántios Koraïs, Greek humanist scholar, born in Smyrna, Anatolia (d. 1833)
- Apr 28 Lorenz Justinian Ott, German composer, born in Dietfurt, Germany (d. 1805)