| Bareina | |
| Settlement Type: | Commune and village |
| Pushpin Map: | Mauritania |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mauritania |
| Subdivision Type: | Country |
| Subdivision Name: |  Mauritania |
| Subdivision Type1: | Region |
| Subdivision Name1: | Trarza |
| Subdivision Type2: | Department |
| Leader Title: | Mayor |
| Leader Name: | Mohamed Abdallahi O/ Hmada O/ Lemrabott (PRDS) |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Total: | 14987 |
| Population Blank1 Title: | Ethnicities |
| Timezone: | GMT |
| Utc Offset: | +0 |
| Coordinates: | 17.1667°N -26°W |
| Native Name Lang: | ar |
Bareina is a Bedouin village and rural commune in the Trarza Region of south-western Mauritania.[1]
In 2000, it had a population of 14,987.[2]