| Official Name: | Beni Ansar |
| Other Name: | بْني نصار |
| Settlement Type: | Town |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Morocco |
| Subdivision Name1: | Oriental |
| Subdivision Type2: | Province |
| Subdivision Name2: | Nador |
| Leader Title: | Mayor |
| Population As Of: | 2014 |
| Population Footnotes: | [1] |
| Population Total: | 56582 |
| Utc Offset: | +0 |
| Timezone Dst: | WEST |
| Utc Offset Dst: | +1 |
| Coordinates: | 35.2611°N -2.9308°W |
| Elevation M: | 37 |
Beni Ansar (Arabic: بْني نصار) is a town in Nador Province, Oriental, Morocco, located 12 km (7½ miles) north of the city of Nador. It is bordered on the north by the Spanish city of Melilla. According to the 2014 census, Beni Ensar has a population of 56,582,[1] and its area is 20 hectares (50 acres).
The port of Beni Ansar is one of the main ports of Morocco, serving the city of Nador (Beni Ansar port is usually referred to as Nador Port). The urban area is bordered on the west by Mount Gurugu (Adrar 'n Gurgu) and a highway, and on the east by the Lagoon of Nador (Mar Chica or Řebḥar Ameẓẓyan), the railway, and the industrial zone around the port.