Family name ตุ๋ย (Tui 
, ตุ๋ย) , all over the world, is quite a common cognomen. The family name ตุ๋ย is habitual in Fiji, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Estonia. In absolute terms, the name is most common in India, Malaysia, and Bangladesh. Also, ตุ๋ย is the forename as well as the last name.