| Official Name: | Nosa |
| Other Name: | Носа |
| Native Name: | Nosza |
| Settlement Type: | Hamlet |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | Province |
| Subdivision Type2: | District |
| Subdivision Type3: | Municipality |
| Unit Pref: | Imperial |
| Population As Of: | 2015 |
| Population Total: | c.600[1] |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 46.0926°N 19.8573°W |
Nosa (in Serbian Cyrillic: Носа, in Hungarian: Nosza), is a small settlement (hamlet) in Serbia. It is situated in the Subotica municipality, North Bačka District, Vojvodina province.
Officially, Nosa is not classified as a separate settlement, but as part of Hajdukovo, a suburban part of the city Subotica. It is located between the city agglomeration, and settlement Male Pijace, and situated right at the border with municipality Kanjiža, North Banat District.
What makes the status of Nosa special is that most of the settlement lies in Subotica, but one easternmost street in the municipality Kanjiža. Both Nosa and Hajdukovo are administered in cadaster Palić.