Family name Ланни (Lunny 
, Ланни) , in the entire world, is quite a rare surname. The cognomen Ланни is characteristic of Ireland, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Canada. Very seldom, Ланни is the forename as well as the last name.