| Oisu Parish | |
| Native Name: | Oisu vald |
| Settlement Type: | Former municipality of Estonia |
| Subdivision Type: | Country |
| Subdivision Name: | Estonia |
| Subdivision Type1: | County |
| Seat Type: | Administrative centre |
| Seat: | Oisu |
| Population Density Km2: | auto |
Oisu Parish (Estonian: Oisu vald) was a rural municipality of Estonia, in Järva County. The parish existed until 1892. The parish was re-established in 1991. The parish was liquidated in 2005.[1]