Last name Виллис (Villis 
, Виллис 
, Vyllys 
) , throughout the world, is a rare family name. The last name Виллис is habitual in Greece, where it is a rare surname, Australia, and the United Kingdom. Not in comparison with a country's population, the name is most common in Germany, the United Kingdom, and Australia. Much less frequently, Виллис is the forename as well as the last name.