Marayur or Marayoor is a town in Devikulam taluk of Idukki district in the southwestern Indian state of Kerala. It is located 42 kilometers north of Munnar on SH 17 connecting Munnar with Udumalpet, Tamil Nadu. Marayur is situated at around 1,600 metres above mean sea level and is the only place in Kerala that has natural sandalwood forests. Ancient dolmens and rock paintings in Marayur date back to the Stone Age. In 1991 Marayur had a population of 9,590.

Devikulam taluk is one of the 5 taluks in Idukki district of the Indian state of Kerala. Devikulam taluk comprises 13 villages.