Family name Troya (Troya 
) , all around the world, is quite a common surname. The last name Troya is characteristic of Panama, where it is quite a common surname, Spain, where it is quite a rare surname, and Ecuador. In absolute terms, it most frequently occurs in Spain, Panama, and Colombia. Very seldom, Troya is the forename as well as the last name.
| alfonso de troya ES (b. 1460) |
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| félix troya ES (b. 1660) |
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vincenzo troya Italian educationist (1806-1883), IT (b. 1806) |
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| ferdinando troya Italian politician, IT (b. 1786) |
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| charles troya (b. 1784) |
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| anacleta arnesto fajardo de troya Costa Rican politician (1809-1877), CR (b. 1809) |
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| rafael troya Ecuadorian painter, 1845-1920, EC (b. 1845) |
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| victoriano de santos troya Spanish association football player (1906-1943), ES (b. 1906) |
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josé maría troya linero ES (b. 1952) |
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marco troya Ecuadorian politician, EC (b. 1969) |
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| edmundo troya CO (b. 1963) |
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| juan jesús arcenegui troya researcher (ORCID 0000-0002-6931-5866) |
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| m.t. de troya botanist |
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| maría troya researcher |
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| maria isabel troya-saborido researcher (ORCID 0000-0002-9742-9094) |
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