Chandrabhanu (died 1262) or Chandrabhanu Sridhamaraja was the King of Tambralinga Kingdom in present-day Thailand, Malaysia and Sumatra and the Jaffna Kingdom in northern Sri Lanka. A Javaka, he was known to have ruled from during the period of 1230 until 1262. He was also known for building a well-known Buddhist stupa in southern Thailand. He spent more than 30 years in his attempt to conquer Sri Lanka. He was eventually defeated by the forces of the Pandyan Dynasty from Tamil Nadu (in present-day South India) in 1262 and was killed by the brother of the south Indian Emperor Jatavarman Sundara Pandyan.