Surname Lahum (Lahum 
) , in all the world, is a rare cognomen. The surname Lahum is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname, Malaysia, and Indonesia. Much less frequently, Lahum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lahum | Indonesia, Malaysia, Philippines, United States, India |