Cognomen Perpétuo (Perpétuo 
) , throughout the world, is a very rare last name. The cognomen Perpétuo is characteristic of Portugal, where it is a rare surname, Brazil, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Perpétuo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Perpétuo | Portugal, Brazil, United States |
| maria do carmo lara perpétuo politician from Brazil, BR (b. 1954) |
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| inês p perpétuo researcher |
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| irineu franco perpétuo Brazilian journalist, BR |
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| sandro perpétuo Brazilian footballer, BR |
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Ana, Tales, Inês, Inêz, Marcos, Mateus, Sandro, Sidney, Susana, André, Arthur, Amanda, Camila, César, Karina, Rafael, Rachel, Regina, Denise, Daniel, Délio, Lorena, João, José, Janer, Luana, Ivo, Rosa, Rita, Joel, Erik, Igor, Maria, Marco, Sofia, Alice, Júlio, Aline, Brena, Bruno, Bruna, Paulo, Pedro, David, Diogo, Laura, Layon, Lucas, Clara, and Thiago