Cognomen Helkyn (Helkyn 
) , around the world, is an extremely rare surname. The family name Helkyn is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Mexico. More frequently, Helkyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Helkyn | Mexico, Colombia, Peru, Venezuela |