Surname Ciríaco (Ciríaco 
) , in the world, is a very rare family name. The cognomen Ciríaco 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. Very seldom, Ciríaco is the forename as well as the last name.
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| Ciríaco | Portugal, United States, Argentina, Brazil |
| ciríaco laguna serrano ES (b. 1905) |
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| ciríaco bokesa Equatoguinean writer, GQ (b. 1939) |
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| denise leão ciríaco researcher (ORCID 0000-0002-4589-2896) |
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| l ciríaco researcher |
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| ciríaco do éfeso |
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| gustavo ciríaco BR |
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Ana, João, Tales, Odete, Marcos, Manoel, Sandra, Samuel, Simone, Susana, André, Amanda, Adolfo, Carlos, Camila, Cintia, Robson, Rennam, Denise, Dayana, Dayane, Dyanna, Jorge, José, Luana, Lucas, Rui, Eli, Sara, Rute, Jose, Nuno, Will, Maria, Sonia, Aline, Gilvan, Carla, Bruno, Bruna, Kenya, Paula, Paulo, Pedro, Renan, Dinis, Duane, Laura, Cauê, and Lorena