>
Cognomen Ianus (Jano , Ianus , Янус ) , all over the world, is a common last name. The family name Ianus is characteristic of Albania, where it is quite a common surname, Georgia, and Hungary, where it is quite a rare surname. In absolute terms, this name is the most popular in Ethiopia, Saudi Arabia, and Philippines. More frequently, Ianus is the forename as well as the last name.