Cognomen Trenas (Trenas 
) , in all the world, is a rare surname. The family name Trenas is characteristic of Spain, where it is a rare surname, Chile, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Also, Trenas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trenas | Philippines, Spain, India, Chile, United States |
| julio trenas ES (b. 1917) |
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| pilar trenas Spanish television presenter (1950-1996), ES (b. 1950) |
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| tote trenas (b. 1953) |
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| antonio raya trenas researcher (ORCID 0000-0001-7832-5508) |
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| tote trenas cinematographer, ES |
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