Cheriyo Doctor is a 1991 Sri Lankan Sinhala romantic comedy film directed by Roy de Silva and produced by Thilak Atapattu for TK Films. It is the first film of Cheriyo film series, which continued with three more films in 1995 (Cheriyo Captain), 1996 (Cheriyo Darling) and 2002 (Cheriyo Holman). It stars Joe Abeywickrama, Sanath Gunathilake and Sabeetha Perera in lead roles along with Bandu Samarasinghe, Tennison Cooray and Freddie Silva. Music for the film is done by Somapala Rathnayake. It is the 734th Sri Lankan film in the Sinhala cinema.

Plot

Cheriyo Doctor, centering on the incidents occur within a mental hospital run by Professor. Incidents starts when Nurse Surangi falls in love with one of fake patient Chaminda Randenigala. After series of comedy incidents, Chaminda's friend Nalin also attended to the hospital with fake illness and Chaminda's realized that his sister Madhu falls in love with Nalin. However, Chaminda's mother Nayana Randenigala opposes their romantic behaviors and locked Madhu. With the help of hospital staff, Chaminda and Nalin fight against Nayana's thugs and win their fiancees.