Castronovo or Castronuovo may refer to:
Castronovo di Sicilia, a comune in Sicily Castronuovo di Sant'Andrea, a comune in Basilicata, Italy Charles Castronovo (born 1975), American tenor Deen Castronovo (born 1964), American drummer and singer Raúl Castronovo (1949–2026), Argentine footballer Castronovo Chocolate, an American craft chocolate maker