Last name Aigi (Aigi 
, Айги 
) , around the world, is a very rare family name. The cognomen Aigi is characteristic of Armenia, where it is a rare surname, Russia, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Russia, Armenia, and India. Likewise, Aigi is the forename as well as the last name.