Family name 兰塔 (Ranta 
, 兰塔 
) , across the world, is quite a common last name. The cognomen 兰塔 is characteristic of Northern Europe, particularly Finland, where it is quite a common surname, Estonia, where it is quite a rare surname, and Sweden. Not in comparison with a country's population, the name is most common in Finland, India, and the United States. Very seldom, 兰塔 is the forename as well as the last name.