Roosna-Alliku | |
|---|---|
 Roosna-Alliku Manor | |
| Country |  Estonia |
| County | Järva County |
| Municipality | Paide |
| Time zone | UTC+2 (EET) |
| • Summer (DST) | UTC+3 (EEST) |
Roosna-Alliku (German: Kaltenbrunn) is a small borough in Paide municipality, Järva County in northern-central Estonia. Prior to the 2017 administrative reform in Estonia of local governments, it was the administrative centre of Roosna-Alliku Parish.