Cognomen Haylam (Haylam 
) , in all the world, is an extremely rare surname. The cognomen Haylam is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More prevalently, Haylam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haylam | United States, Brazil, Venezuela |