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| Baja tensión [1] |
| Bajau [2] |
| Bajo costo [1] |
| Bajo Guadalquivir [1] |
| Bajtin, Mijail Mijaïlovich [1] |
| Bak1 [1] |
| Balance [3] |
| Balance intelectual [1] |
| Balance social [1] |
| Balancing energy [1] |
| Balancing of fundamental rights [1] |
| Balandrán [1] |
| Balanza comercial [1] |
| Balanza de pagos [1] |
| Balasto (Ferrocarriles) [1] |
| Balboa (El Bierzo) [1] |
| Balboa (León) [1] |
| Balboa, Silvestre de [1] |
| Balbontín, José Antonio 1893-1977 [1] |
| Balcones [1] |