| Type: | commune |
| County: | Maramureș |
| Oncești | |
| Leader Name: | Matei Godja |
| Leader Party: | Independent |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 47.8472°N 23.9792°W |
| Area Total: | 20.65 |
| Population Total: | auto |
| Postal Code: | 437037 |
Oncești (Hungarian: Váncsfalva, Yiddish: אונצ'שט|Uncsest) is a commune in Maramureș County, Maramureș, Romania. It is composed of a single village, Oncești, which used to be part of Bârsana Commune until being split off in 2004.