Giovanni Grimaldi (14 November 1917 – 25 February 2001) was an Italian screenwriter, journalist and film director. He was sometimes credited as Gianni Grimaldi.^[1]

Born in Catania, Sicily, Grimaldi entered the cinema industry in 1952 as a screenwriter of a large number of often highly successful films, frequently working together with Bruno Corbucci.^[2] Since 1964 he became a prolific director of comedy films, often working with Lando Buzzanca and with the couple Franco and Ciccio.^[2]

Aside from films, Grimaldi was a journalist, a collaborator and even the director of several Italian humor magazines such as Trilussa, Candido and Marc'Aurelio.^[2] He was also a radio author, a playwright and a television director. He was the father of the director and screenwriter Aldo Grimaldi.^[2]