Last name Aloiz (Aloiz 
, Алоиз 
) , in all the world, is a rare surname. The cognomen Aloiz is characteristic of Tanzania, where it is a rare surname, Georgia, where it is a very rare surname, and Argentina, where it is an extremely rare surname. In absolute terms, it is commonest in Tanzania, the United States, and Georgia. Also, Aloiz is the forename as well as the last name.