Jishnu Raghavan Alingkil, known mononymously as Jishnu, is an Indian film actor who appears in Malayalam films. Having appeared as a child artist in the movie Kilipatt in the year 1987, Jishnu made his film debut in a leading role in the blockbuster movie Nammal in 2002. His performance in the film earned him Mathrubhumi Award and Kerala Film Critics Award for the Best Male Debut.