Last name Jailon (Jailon 
) , in the world, is a rare cognomen. The family name Jailon is characteristic of Malaysia, where it is a rare surname, Philippines, where it is a very rare surname, and Honduras. Not in comparison with a country's population, this name is the most popular in South-eastern Asia, particularly Philippines, Indonesia, and Malaysia. Likewise, Jailon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jailon | Indonesia, Philippines, Brazil, Malaysia, United States |