Jishnu Raghavan Alingkil, known mononymously as Jishnu, was an Indian film actor who appeared in Malayalam films. He was the son of actor Raghavan, who also directed Jishnu's debut film Kilipatt which was selected for the Indian Panorama

Jishnu died on 25 March 2016 at Amrita Hospital, Kochi after two years of battling throat and lung cancer.