Last name Леандер (Leander 
, Леандер 
) , in all the world, is quite a common surname. The last name Леандер is characteristic of Northern Europe, particularly Sweden, where it is quite a common surname, Finland, where it is quite a rare surname, and Denmark. Not in comparison with a country's population, it is the most numerous in Indonesia, Sweden, and the United States. Also, Леандер is the forename as well as the last name.