Family name אלויס (Alois 
, Aloys , אלויס 
) , in the world, is a common cognomen. The family name אלויס is characteristic of Liechtenstein, where it is quite a common surname, Rwanda, and Papua New Guinea, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Tanzania, Rwanda, and the United States. More prevalently, אלויס is the forename as well as the last name.