Last name Wachtang (Вахтанг 
, Wachtang 
, ვახტანგ 
) , in the world, is a rare cognomen. The last name Wachtang is characteristic of Armenia, where it is quite a common surname, Georgia, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, the name is most common in Armenia, Russia, and Israel. More frequently, Wachtang is the forename as well as the last name.