Fernando Diniz
- Birthday: 1918-12-06
- Deathday: 1999-03-05
- Place of birth: Aratu, Bahia, Brazil
Fernando Diniz (1918-1999) was a Brazilian artist born in Aratu, Bahia. Numerous key galleries and museums such as Marres, House for Contemporary Culture have featured Fernando Diniz's work in the past.
