| Ona to zna | |
| Type: | single |
| Artist: | Idoli |
| Album: | Šest dana juna |
| B-Side: | Ljubavi |
| Released: | 1985 |
| Recorded: | 1985 |
| Genre: | Pop Rock |
| Length: | 2:55 |
| Label: | Jugoton |
"Ona to zna" is the fourth and last single by Serbian band Idoli. The single was given as a present with Džuboks magazine issue. The song appeared on the Šest dana juna soundtrack album. A live version of the song appeared on the Vlada Divljan live album Odbrana i zaštita.