Last name Raiol (Raiol 
) , all around the world, is quite a common family name. The family name Raiol is habitual in Brazil, where it is quite a rare surname, Portugal, where it is a very rare surname, and Malaysia.
| VARIANT | COUNTRY |
|---|---|
| Raiol | Portugal, Spain, Brazil, Malaysia, United States |
|
domingos antônio raiol Brazilian politician, BR (b. 1830) |
|
| antônio raiol BR (b. 1855) |
|
|
| ruth raiol person identified in the Museu da Pessoa collection, BR (b. 1973) |
|
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| weverton raiol researcher |
|