Last name Vaxa (Ваха 
, Vaxa 
, Veksa 
) , across the world, is a rare cognomen. The cognomen Vaxa is habitual in Latvia, where it is a rare surname, Ukraine, and Kyrgyzstan. In absolute terms, it is the most numerous in Ukraine, Russia, and Latvia. More prevalently, Vaxa is the forename as well as the last name.