Last name Ihle (伊尔 , Ihle , Иле ) , all over the world, is quite a common surname. The family name Ihle is characteristic of Norway, where it is quite a rare surname, Germany, and Switzerland, where it is a rare surname. Not in comparison with a country's population, it is commonest in Germany, the United States, and Norway. Much less frequently, Ihle is the forename as well as the last name.