Last name ランコ (Ranko 
, ランコ ) , in all the world, is quite a rare surname. The cognomen ランコ is habitual in Botswana, where it is quite a common surname, North Macedonia, and Kosovo, where it is quite a rare surname. In absolute terms, this name is the most popular in Japan, Botswana, and North Macedonia. More frequently, ランコ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ranko | Japan, Montenegro, Serbia, Croatia, Bosnia and Herzegovina |
| ランコ | Japan |