Surname Cetra (Cetra 
) , all around the world, is quite a rare family name. The family name Cetra is habitual in Argentina, where it is a rare surname, Italy, and Portugal. Not in comparison with a country's population, it most frequently occurs in Italy, Brazil, and Philippines. Also, Cetra is the forename as well as the last name.
| roberto cetra person identified in the Museu da Pessoa collection, BR (b. 1948) |
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| maria aldana cetra cyclist, AR (b. 1980) |
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