Surname Vagu (Vagu 
) , throughout the world, is quite a rare family name. The family name Vagu is characteristic of India, where it is a rare surname, Tanzania, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in India, Tanzania, and Mexico. Likewise, Vagu is the forename as well as the last name.