Cognomen Ваче (Vatche 
, Vache 
, Ваче 
) , around the globe, is quite a rare surname. The last name Ваче is characteristic of Armenia, where it is quite a common surname, Georgia, where it is quite a rare surname, and Paraguay. In absolute terms, it most frequently occurs in France, Armenia, and Paraguay. Also, Ваче is the forename as well as the last name.