Family name Castilla (Castilla 
, Ketela 
, Castile 
) , in the world, is a common last name. The family name Castilla is habitual in Colombia, where it is quite a common surname, Peru, and Spain (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Colombia, Peru, and Mexico. Much less frequently, Castilla is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Castilla | Philippines, Spain, Mexico, Peru, Colombia |
| Ketela | Finland, United States, Ethiopia, South Africa, Canada |
| Castile | Philippines, Israel, United Kingdom, United States, Canada |
| Castiya | India |
| gonzalo garcía de castilla (b. 901) |
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| fronilde fernández de castilla (b. 946) |
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| muniadona de castilla Queen of Navarre (b. 995) |
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alfonso viii de castilla King of Castile, ES (b. 1155) |
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blanca de castilla Queen consort of France (1188–1252), ES (b. 1188) |
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enrique i de castilla King of Castile, ES (b. 1204) |
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alfonso x de castilla, alfons x el savi King of Castile from 1252 to 1284, ES (b. 1221) |
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alfonso de aragón y castilla (1222-1260), ES (b. 1222) |
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enrique de castilla Castilian nobleman and soldier, ES (b. 1230) |
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| leonor de aragón y de castilla (1182-1226), ES (b. 1182) |
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manuel de castilla Senhor de Villena, Escalona e Peñafiel, ES (b. 1234) |
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| fernando de castilla (1189-1211), ES (b. 1189) |
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| mafalda de castilla Spanish noblewoman, ES (b. 1191) |
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beatriz de castilla Queen of Portugal, ES (b. 1242) |
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| constanza de castilla (1195-1243), ES (b. 1199) |
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