Cognomen Iamo (Iamo 
) , globally, is a rare last name. The cognomen Iamo is characteristic of Papua New Guinea, where it is quite a rare surname, Malaysia, where it is a rare surname, and Thailand. Also, Iamo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iamo | Australia, Thailand, Malaysia, China, Papua New Guinea |