Last name Manchaya (มัญจา , Manchaya ) , in all the world, is an extremely rare family name. Predominantly, Manchaya is the forename as well as the last name.
มนัญชยา
Rodmin, and Phetmongkhon
, Manchaya 
) , in all the world, is an extremely rare family name. Predominantly, Manchaya is the forename as well as the last name.