Cognomen لاين (Iain 
, Lane , Layne 
) , throughout the world, is a widespread surname. The surname لاين is habitual in Latin America and the Caribbean, particularly Barbados, where it is a common surname, Saint Vincent and the Grenadines, and British Virgin Islands, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, لاين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iain, Lane | United Kingdom, Australia, Ireland, United States, Canada |
| Layne | United Kingdom, Australia, United States, Canada, Brazil |
| لاين | Saudi Arabia, Sudan, Syria, Egypt, Iraq |