Dr. Nawariyan (Dr. නවරියන්) is a 2017 Sri Lankan Sinhala action, comedy film directed by Ranjan Ramanayake and produced by Ranjan himself with Flash Entertainment. It stars Ranjan Ramanayake and Ruwangi Rathnayake in lead roles along with Rex Kodippili, Sriyani Amarasena and Sarath Chandrasiri. The film has influenced by 2003 Bollywood film Munna Bhai M.B.B.S.
| Crew | Sri Lal Priyadeva | Script |
| Crew | Shobangi Purnima | Dialogue Coach |
| Directing | Ranjan Ramanayake | Director |