Gayathri Ashokan is an Indian poster designer and screenwriter who works in Malayalam cinema. He is considered as a pioneer in poster designing art along with P. N. Menon in Malayalam film industry. His debut design was for director Padmarajan' s Koodevide where he created a poster with all characters appearing in postage stamp. The posters created a very good impact among filmgoers. He has designed promotional posters for over 700 films including Tamil films. Ashokan introduced the airbrush concept in Malayalam posters.