Surname Geolan (Geolan 
) , all over the world, is an extremely rare last name. The surname Geolan is habitual in Nicaragua, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Geolan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geolan | Spain, Philippines, Brazil, United States, Nicaragua |