Cognomen Yundo (윤도 
, Yundo 
, Юндо 
) , across the world, is a very rare surname. The surname Yundo is habitual in Russia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and Ukraine. Measured by absolute frequency, it is the most numerous in Russia, China, and Philippines. More frequently, Yundo is the forename as well as the last name.