Cavazzoni is an Italian surname. Notable people with the surname include:
Marco Antonio Cavazzoni (c.1490–c.1560), Italian organist and composer
Girolamo Cavazzoni (ca. 1525–after 1577), Italian organist and composer, son of Marco Antonio Cavazzoni
Francesco Cavazzoni (1559–1612), Italian painter
Enzo Cavazzoni (1932–2012), Italian water-polo player
it:Ermanno Cavazzoni (1947– ), Italian writer, author of the novel on which Fellini's film La voce della luna is based