Cognomen Orena (Orena 
) , throughout the world, is a rare last name. The last name Orena is characteristic of Philippines, where it is a rare surname, Uganda, and Chile. In absolute terms, the name is most common in Philippines, Uganda, and the United States. Likewise, Orena is the forename as well as the last name.
| victor orena American mobster, US (b. 1934) |
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| aitor orena Spanish lawyer, ES (b. 1973) |
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| adriel john orena researcher |
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| beatrice silvia orena researcher |
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| eleonora f orena researcher |
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