Crescenzio () is both an Italian form of the male name Crescentius and a surname. It may refer to:
Given name Crescenzio Gambarelli (), Italian painter Crescenzio Grizi or Crescentius of Jesi (died 1263), Italian Friar Minor Crescenzio Nomentano or Crescentius the Younger (died 998), Roman politician and aristocrat Crescenzio Onofri (1634–1712/14), Italian painter, draughtsman and engraver Crescênzio Rinaldini (1925–2011), Italian-Brazilian Roman Catholic prelate Crescenzio Sepe (born 1943), Italian Roman Catholic cardinal Crescenzio de Theodora or Crescentius the Elder (died 984), Roman politician and aristocrat
Surname Antonello Crescenzio (), Italian painter Antonio Crescenzio (), Italian painter Giovanni II di Crescenzio or John II Crescentius (died 1012), Roman politician and aristocrat Mario Crescenzio (1942–2024), Italian politician Pier Crescenzio or Pietro de' Crescenzi (1230/35–), Italian jurist and writer on agriculture
See also Crescenzi Crescenzo