Cognomen Nasau (Nasau 
) , throughout the world, is a rare family name. The surname Nasau is habitual in Fiji, where it is quite a common surname, Israel, where it is a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, Nasau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nasau | Israel, United States, Malaysia, India, Fiji |
| mikaele nasau is an Fijian actor known for his supporting role in Return to the Blue Lagoon, FJ |
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| cema nasau Fijian footballer (b. 1999) |
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Vee, Anthony, Cynthia, Kolinio, Kinijoji, Rigieta, Varitema, Sherryl, Isimeli, Michelle, Sainiana, Apolonia, Dorothea, Logavatu, Jonetani, William, Mereseini, Michael, Freddy, Liza, John, June, Zena, Seini, Alini, Willem, Brian, Helen, Serina, Kuresa, Ropate, Losana, Edmino, Daisy, and Christina