Surname Caiado (Caiado 
) , all around the world, is quite a rare last name. The surname Caiado is characteristic of Portugal, where it is quite a common surname, Brazil, where it is a rare surname, and Angola. Not in comparison with a country's population, it most frequently occurs in Portugal, Brazil, and India.
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| Caiado | Portugal, Angola, India, Brazil, United States |
| henrique caiado PT (b. 1470) |
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antônio ramos caiado Brazilian politician, BR (b. 1874) |
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| antônio josé caiado Brazilian politician, BR (b. 1825) |
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emival ramos caiado Brazilian lawyer and politician, BR (b. 1918) |
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| mário de alencastro caiado Brazilian lawyer and politician, BR (b. 1876) |
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leonino di ramos caiado Brazilian politician, BR (b. 1933) |
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ronaldo caiado Brazilian politician, BR (b. 1949) |
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| fernando caiado Footballer (1925-2006), PT (b. 1925) |
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| francisco caiado researcher |
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| m. isabel caiado Ph.D. Universidade de Aveiro 2007 |
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| brígida caiado researcher (ORCID 0000-0002-9845-0696) |
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| camilia c s caiado researcher |
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| andré caiado researcher |
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| camila carneiro da silva caiado Ph.D. University of Durham 2012 |
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| filipa caiado researcher (ORCID 0000-0002-3063-7753) |
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