Cognomen Тасо (Taso 
, Тасо 
) , worldwide, is quite a rare surname. The surname Тасо is characteristic of Georgia, where it is quite a common surname, Bosnia and Herzegovina, and North Macedonia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in India, Georgia, and Bosnia and Herzegovina. Also, Тасо is the forename as well as the last name.