Surname Darlain (Darlain 
) , around the world, is an extremely rare cognomen. The family name Darlain is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Darlain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Darlain | Malta, Colombia, Gabon, United States, Democratic Republic of the Congo |