Raja Raja Varma Koil Thampuran (Malayalam= രാജ രാജ വർമ്മ കോയിത്തമ്പുരാൻ), also known as Raja Raja Varma, was a Malayalam language poet and translator from the Indian state of Kerala who had an equal facility in writing in English and Sanskrit. He was born in Neerazhi Palace, Changanassery. He was part of the royal family of erstwhile Parappanad (Parappangadi and Beypore), Malabar.
He was born in Changanacherry at the Neerazhi Palace, which is now known as Neerazhi Bunglaw. He married Princess Ayiliam Thirunal Gauri Lakshmi Bayi of Travancore. From this marriage Raja Raja Varma Koil Thampuran had issue, a daughter and two sons. His daughter was Maharani , who was born in 1809. His eldest son, the famous Maharajah Swathi Thirunal, was born on 16 April 1813. Swathi Thirunal became a musician and artist and ruled independently from 1829-1846. Thampuran next had a son in 1814, Maharajah Uthram Thirunal, who ruled from 1846-1860. His wife Gauri Lakshmi Bayi lost her health after giving birth to Uthram Thirunal and died in 1815.
Gauri Lakshmi Bayi built a new palace in Changanassery for her husband and his family members during her reign, which was called Lakshmipuram Palace.