Castillo de Locubín

Infobox City
official_name = Castillo de Locubín, Spain | nickname = |

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| map_caption = | subdivision_type = Country | subdivision_name = Spain | subdivision_type1 = Province | subdivision_name1 = Jaén | subdivision_type2 = Municipality | subdivision_name2 = Castillo de Locubín | leader_title = | leader_name = | area_magnitude = | area_total_km2 = 104 | area_land_km2 = | area_water_km2 = | elevation_m = 706 | population_as_of = 2006 | population_note = | population_total = 5000 | population_density_km2 = 0.0 | timezone = CET | utc_offset = +1 | timezone_DST = CEST | utc_offset_DST = +2 | latitude = 37º31' N | longitude = 3º56' W | website = | footnotes = |

Castillo de Locubín is a small town located in the south-western corner of the province of Jaén, Spain. According to the 2006 census (INE), the city has a population of 5000 inhabitants.

Castillo de Locubín is a pretty white village in the foothills of the Sierra Sur. The Moorish castle that gave the village its name can still be seen although it is somewhat ruined. There is an important church in Castillo, constructed in the 16th century. Castillo follows a tradition of pottery and ceramics making, locally produced pottery can be bought in the village. During the first week in June when the cherry harvest begins, a cherry fair is held where there are competitions for the best liqueurs, desserts and cherry based cuisine.Castillo is a village of 5000 inhabitants with 3 restaurants, a handful of bars, primary and secondary schools, and several stores. Castillo is 7km north of Alcalá la Real and 2km from the N432 main road.