| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Bajo Grande | city | La Rioja | Argentina | -30.57 | -66.15 | 1669 | 14 |
| Bajo Hondo | city | La Rioja | Argentina | -28.13 | -68.90 | 15108 | 0 |
| Bajo Hondo | city | La Rioja | Argentina | -31.68 | -66.01 | 944 | 0 |
| Bajo de Gallo | city | La Rioja | Argentina | -30.40 | -66.87 | 1669 | 0 |
| Bajo del Gallo | city | La Rioja | Argentina | -30.40 | -66.87 | 1669 | 0 |
| Balde Salado | city | La Rioja | Argentina | -31.20 | -65.87 | 875 | 0 |
| Baldecito | city | La Rioja | Argentina | -31.88 | -65.83 | 1105 | 7 |
| Baldecitos | city | La Rioja | Argentina | -30.22 | -67.69 | 4189 | 302 |
| Banado Las Chinches | city | La Rioja | Argentina | -31.87 | -66.60 | 1249 | 0 |
| Banda Florida | city | La Rioja | Argentina | -29.30 | -68.25 | 3756 | 4701 |
| Barranca Bagual | city | La Rioja | Argentina | -31.56 | -65.96 | 898 | 0 |
| Barrancas Blancas | city | La Rioja | Argentina | -28.23 | -69.22 | 12936 | 0 |
| Barreal | city | La Rioja | Argentina | -29.61 | -66.09 | 872 | 894 |
| Barreal Atravesado | city | La Rioja | Argentina | -30.60 | -67.25 | 2509 | 0 |
| Barreal Colorado | city | La Rioja | Argentina | -30.91 | -67.06 | 1801 | 0 |
| Barreal de Chucuma | city | La Rioja | Argentina | -31.20 | -67.05 | 1669 | 0 |
| Batidero | city | La Rioja | Argentina | -28.47 | -69.03 | 12765 | 0 |
| Bazán | city | La Rioja | Argentina | -29.17 | -66.66 | 1669 | 894 |
| Bella Vista | city | La Rioja | Argentina | -30.51 | -66.26 | 1669 | 0 |
| Buena Vista | city | La Rioja | Argentina | -29.02 | -66.05 | 853 | 1062 |