Surname Doumis (Doumis 
) , all around the world, is a very rare family name. The last name Doumis is characteristic of Greece, where it is a very rare surname, Australia, and Canada, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in the United States, Australia, and Greece. Much less frequently, Doumis is the forename as well as the last name.