Nik, South Khorasan should not be confused with Nig, South Khorasan.
| Official Name: | Nik |
| Native Name: | نيك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Sarbisheh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Momenabad |
| Population As Of: | 2006 |
| Population Total: | 201 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.4133°N 59.6958°W |
| Area Code: | +98 |
Nik (Persian: نيك, also Romanized as Nīk, Nig, and Neyk; also known as Neyj and Nik Mo’men Abad) is a village in Momenabad Rural District, in the Central District of Sarbisheh County, South Khorasan Province, Iran. At the 2006 census, its population was 201, in 57 families.