Rangana Premarathne (Sinhala: රංගන ප්රේමරත්න; born 12 January 1959) is an actor in Sri Lankan cinema, theatre, and television.
Rangana began his career as a stage drama actor in the early 1980s acting in the famous stage-drama Sajan Nallathambi, one of the first financially successful Sri Lankan plays.
In 1995, he acted in the serial Isurugira, which later represented Sri Lanka in the Golden Crest International Television Festival in Bulgaria (1995).
In 2001, Rangana began work as a producer with the popular teledrama Randunu, in which he also played the main role of a politician.
Again in 2017, he made the performance of another triple role (Panduka, Hapan, Bhee) in the science fiction television series Lokantharayo.