Siaha (official name in Mara) is a census town in Siaha district in the Indian north-eastern state of Mizoram. It is the Headquarters of the Mara Autonomous District Council, one of the three autonomous district councils within Mizoram. It is located in the South Central part of the state. The word 'Siaha' in the local Mara language is 'Sia' for Masia which means elephant and 'ha' meaning tooth - An elephant tooth. It was a place where a large amount of elephant teeth were found.