Last name Jonhna (Jonhna 
) , all around the world, is an extremely rare surname. The surname Jonhna is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more frequently, Jonhna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jonhna | Philippines, United States, India, Myanmar, Venezuela |