''Costera'' may refer to:
*
La Costera
La Costera () is a comarca in the province of Valencia, Valencian Community, Spain.
Municipalities
*L'Alcúdia de Crespins
* Barxeta
*Canals
* Cerdà
* Estubeny
* La Font de la Figuera
* Genovés
* La Granja de la Costera
* Llanera de Ranes
* ...
, a comarca in Valencia, Spain
*
''Costera'' (plant), a genus of plants in the Ericaceae
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