Renato Casaro (Italian: [reˈnaːto kaˈzaːro]; born 26 October 1935) is an Italian artist known for his movie posters, which include films like My Name Is Nobody, Quadrophenia, Conan the Barbarian, Tenebrae, Octopussy, Never Say Never Again, Rambo: First Blood Part II (Int'l Version), Red Sonja and Flesh and Blood.

He is considered one of the most important, influential and innovative Italian film poster artists.

[5] Dino De Laurentiis hired Casaro in 1965 to design the poster images for the film The Bible: In the Beginning.... After that, Casaro worked on many films with De Laurentiis, like Flash Gordon, Dune and Conan the Barbarian.

In the same time Casaro continued his business, producing posters for different directors like Sergio Leone, Claude Lelouch, Francis Ford Coppola, Bernardo Bertolucci, Luc Besson, Franco Zeffirelli and Rainer Werner Fassbinder.

[6] In 2019, Casaro was called by Quentin Tarantino to realize some "old school illustrated Western posters" ("Uccidimi Subito Ringo, disse il Gringo" aka "Kill Me Now Ringo, Said The Gringo" and "Nebraska Jim") for Italian films starring Rick Dalton, the character Leonardo DiCaprio plays in Once Upon a Time in Hollywood.