Surname Jaien (Jaien 
) , all over the world, is a rare cognomen. The family name Jaien is habitual in Philippines, where it is a very rare surname, India, where it is an extremely rare surname, and Venezuela. Much less frequently, Jaien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaien | Philippines, United States, Venezuela, Malaysia, India |