Cognomen 兰纳 (Langner 
, Lanner 
, 兰纳) , across the world, is a common surname. The cognomen 兰纳 is characteristic of Germany, where it is quite a common surname, Austria, and Poland, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Germany, Poland, and the United States. Very seldom, 兰纳 is the forename as well as the last name.