Surname Phoy (Phoy 
) , globally, is quite a rare last name. The last name Phoy is habitual in South-eastern Asia, particularly Myanmar, where it is quite a rare surname, Malaysia, and Singapore, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in South-eastern Asia, particularly Myanmar, Malaysia, and Indonesia. Likewise, Phoy is the forename as well as the last name.