| Official Name: | Oisu |
| Settlement Type: | Small borough |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Järva County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Türi Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Oisu (German: Oiso) is a small borough in Türi Parish, Järva County in central Estonia. From 1991 - 2005 it was the administrative centre of Oisu Parish[1]