Cognomen Johayne (Johayne 
) , across the world, is an extremely rare family name. The surname Johayne is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More prevalently, Johayne is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Johayne | Philippines, Brazil, United States, Venezuela, South Africa |