Surname เต๋า (Dao 
, Dao Thi 
, Teijai 
) , around the globe, is a widespread last name. The cognomen เต๋า is habitual in Macao, where it is quite a common surname, Vietnam, and Mali (explore the name in all countries). In absolute terms, the name is most common in Vietnam, China, and the United States. Very seldom, เต๋า is the forename as well as the last name.