Oscar Zárate (born 1942) is an Argentine comic book artist and illustrator. He has drawn for the UK comics magazine Crisis. He is probably best known in the United States as the artist for Alan Moore's graphic novel A Small Killing. He has drawn an adaptation of William Shakespeare's Othello (1985, reprinted in 2005). He has also provided the illustrations for Alexei Sayle's Geoffrey the Tube Train and the Fat Comedian (1987, ISBN 0-413-59950-7), as well as Freud for Beginners (2003, ISBN 0-375-71460-X).