Family name Joosu (Joosu 
) , worldwide, is a very rare surname. The surname Joosu is characteristic of Estonia, where it is quite a rare surname, and India, where it is an extremely rare surname. Much less frequently, Joosu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Joosu | Estonia, Finland, India |
|
tiina joosu Estonian editor, EE (b. 1971) |
|
|
priit joosu Estonian mountaineer, EE (b. 1972) |
|
| joosu kuivanen researcher |
|