Last name Portolan (Portolan 
, Portulan 
) , all around the world, is quite a rare family name. The surname Portolan is habitual in Southern Europe, particularly Croatia, where it is a rare surname, Slovenia, and Italy. Not in comparison with a country's population, the name is most common in Brazil, Italy, and France. Much less frequently, Portolan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Portolan | France, Argentina, Italy, Brazil, Croatia |
| Portulan | Brazil, Philippines |
| jean-claude portolan French politician, FR (b. 1945) |
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| gérard portolan rugby union player, FR (b. 1957) |
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| claude portolan French rugby union player, FR (b. 1960) |
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| milton cesar garcia portolan person identified in the Museu da Pessoa collection, BR (b. 1965) |
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| monica portolan researcher |
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