Cognomen Manunsak (Manunsak 
) , in all the world, is an extremely rare last name. The cognomen Manunsak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Manunsak is the forename as well as the last name.
Chanu, Auppahat, Thuaiphiang, Khrueasai, Chaipattharachot, and Chaiphattharachot