Surname ドイ (ドイ 
, Doi 
) , globally, is a common family name. The family name ドイ is habitual in Myanmar, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Israel, where it is a rare surname. In absolute terms, this name is the most popular in Myanmar, India, and Brazil. More prevalently, ドイ is the forename as well as the last name.