Last name Valenzuela-Rojas (Valenzuela-Rojas 
) , in all the world, is an extremely rare cognomen. The last name Valenzuela-Rojas is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Valenzuela, and a last name Rojas.
| VARIANT | COUNTRY |
|---|---|
| Valenzuela-Rojas | United States |
| juan c. valenzuela-rojas Colombian arachnologist, CO |
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| juan carlos valenzuela-rojas researcher (ORCID 0000-0002-7425-0753) |
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