Cavallo is a surname, and may refer to:
- Domingo Cavallo (born 1946), Argentine economist and politician
- Émile-Gustave Cavallo-Péduzzi, French painter
- Jimmy Cavallo (born 1927), American musician
- Ricardo Cavallo, Argentine political activist
- Rob Cavallo, American music producer
- Tiberius Cavallo (1749–1809), Anglo-Italian physicist
- Victor Cavallo (1947-2000), Italian actor