Family name Gudlaugur (Gudlaugur 
) , in all the world, is a very rare last name. The cognomen Gudlaugur is characteristic of Latin America and the Caribbean, particularly Suriname, where it is quite a rare surname. Likewise, Gudlaugur is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gudlaugur | Suriname, Iceland, United States, Brazil |