Cognomen Wailon (Wailon 
) , around the globe, is an extremely rare last name. The family name Wailon is characteristic of Nicaragua, where it is a very rare surname, Brazil, where it is an extremely rare surname, and India. More prevalently, Wailon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wailon | Singapore, Nicaragua, India, United States, Brazil |