Ardeshir Mohasses (also spelt Ardashir Mohases, Persian: اردشير محصص , 9 September 1938 in Rasht – 9 October 2008 in New York) was an Iranian illustrator and cartoonist, residing in New York.
He was born in Rasht and was brought up in Lahijan. His parents were from rich families of Lahijan. He graduated from Tehran University in 1962 with a degree in political science. Since becoming an illustrator and cartoonist for Kayhan and other local periodicals in 1963, he has held several one-man exhibitions in Tehran. He is buried in Green-Wood Cemetery in Brooklyn, New York.
Mohasses was a cousin of Bahman Mohasses, dubbed by some as the "Persian Picasso", Iranian painter, sculptor, translator, and theatre director.