Surname Dào (Dao 
, 道 , Dào 
) , in the entire world, is a widespread last name. The surname Dào is habitual in Macao, where it is quite a common surname, Vietnam, and Mali (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Vietnam, and the United States. Also, Dào is the forename as well as the last name.