Cognomen ვახტანგ (Vakhtang 
, Wachtang 
, ვახტანგ ) , all around the world, is a very rare last name. The family name ვახტანგ is characteristic of Georgia, where it is a very rare surname, Israel, and Hungary. Not in comparison with a country's population, it is commonest in Russia, Israel, and Hungary. More prevalently, ვახტანგ is the forename as well as the last name.
ლეჟავა, მიქიაშვილი, გაჩეჩილაძე, დუმბაძე, and ნადირაძე