Surname Poroi (Poroi 
) , worldwide, is a very rare cognomen. The cognomen Poroi is habitual in Thailand, where it is a very rare surname, New Zealand, and France. In absolute terms, it is commonest in Thailand, France, and Malaysia. Much less frequently, Poroi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poroi | Thailand, Malaysia, New Zealand, India, France |
| alfred poroi French politician, FR (b. 1906) |
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| michel poroi (b. 1956) |
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