Cognomen יוהני (Juhani 
, יוהני 
) , across the world, is quite a rare last name. The last name יוהני is characteristic of Estonia, where it is quite a rare surname, Saudi Arabia, and Finland. Not in comparison with a country's population, it is commonest in Saudi Arabia, Indonesia, and Spain. Likewise, יוהני is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juhani | Finland, Sweden, India, Indonesia, Saudi Arabia |
| יוהני | Israel |