Ronald Ray Cobb (September 21, 1937 – September 21, 2020) was an American-Australian artist. As well as being an editorial cartoonist he worked on numerous major films including Dark Star (1974), Star Wars (1977), Alien (1979), Raiders of the Lost Ark (1981), Conan the Barbarian (1982), Back to the Future (1985), The Abyss (1989), Total Recall (1990), and Southland Tales (2006). He had one credit as director, for the 1992 film Garbo.

Cobb also created a symbol which was later featured on the Ecology Flag. He was born in Los Angeles but spent most of his life in Sydney, Australia.