Surname Maychaya (Maychaya 
) , worldwide, is an extremely rare family name. The cognomen Maychaya is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, Maychaya is the forename as well as the last name.
Tajai, Thacha, Phoraksa, Wongsaw, Sereekiat, Chaikumjan, Poungcharoen, and Thummanond