Surname Manutchai (Manutchai 
) , in the entire world, is an extremely rare cognomen. Much more frequently, Manutchai is the forename as well as the last name.
Eiamvuthikorn, Srichai, Chonplaek, Nerapoo, Chaiworn, Kamlungmak, Tipauksorn, Suttichok, Kantaviti, Tipaksorn, Preechahan, Rojanavichian, and Banchongsirichareon