Last name Йерней (Jernej 
, Йерней) , in all the world, is a rare surname. The surname Йерней is characteristic of Slovenia, where it is quite a common surname, Austria, where it is quite a rare surname, and North Macedonia, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Austria, Slovenia, and Hungary. More prevalently, Йерней is the forename as well as the last name.