Surname Chiriu (Chiriu 
) , globally, is a very rare family name. The cognomen Chiriu is habitual in Italy, where it is a rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Chiriu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chiriu | Brazil, Italy, Spain |
| d. chiriu researcher ORCID ID = 0000-0003-2097-1229 |
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| giovanna chiriu Italian canoeist, IT |
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