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.