Cognomen Juojärvi (Juojärvi 
) , in the entire world, is an extremely rare last name. The surname Juojärvi is characteristic of Northern Europe, particularly Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Juojärvi | Finland |
| timo juojärvi Finnish basketball player and rower (1935-2018), FI (b. 1935) |
|