Del Vecchio (Italian pronunciation: [del ˈvɛkkjo]) is an Italian surname literally meaning "of the old man". Notable people with the name include:
- Claudio Del Vecchio, Italian businessman, son of Leonardo Del Vecchio.
- Domitilla Del Vecchio, Italian control theorist
- Emanuele Del Vecchio, Brazilian football player
- Giorgio Del Vecchio, Italian legal philosopher
- Giuditta del Vecchio, Italian actress
- Hugo del Vecchio, Argentine basketball player
- José Del Vecchio, Venezuelan sports medicine specialist and youth baseball pioneer in his country
- Kenneth del Vecchio, American politician and filmmaker
- Leonardo Del Vecchio (1935–2022), Italian businessman
- Leonardo Maria Del Vecchio, Italian businessman, son of Leonardo Del Vecchio.
- Al Delvecchio, from the TV series Happy Days, played by Al Molinaro
- Dominick Delvecchio, from the TV series Delvecchio, played by Judd Hirsch
- Ozzy Delvecchio, from the TV series Bloodline, played by John Leguizamo
- Sly Delvecchio, from the film Passenger 57, played by Tom Sizemore
- Tony Delvecchio and Angela Delvecchio, from the videogame series Backyard Sports