| La Costera | |
| Native Name Lang: | es |
| Settlement Type: | Comarca |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Valencia |
| Seat Type: | Capital |
| Seat: | Xàtiva |
| Parts Type: | Municipalities |
| Parts Style: | list |
| P1: | L'Alcúdia de Crespins, Barxeta, Canals, Cerdà, Estubeny, La Font de la Figuera, Genovés, La Granja de la Costera, Llanera de Ranes, Llocnou d'En Fenollet, La Llosa de Ranes, Moixent/Mogente, Montesa, Novetlè/Novelé, Rotglà i Corberà, Torrella, Vallada, Vallès, Xàtiva |
| Area Total Km2: | 546.74 |
| Population Total: | 70692 |
| Population As Of: | 2006 |
| Population Density Km2: | auto |
| Population Demonym: | |
| Blank Name Sec1: | Largest municipality |
| Blank Info Sec1: | Xàtiva |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Area Code Type: | Dialing code |
La Costera (pronounced as /kosˈteɾa/) is a comarca in the province of Valencia, Valencian Community, Spain.