Cognomen Fisilau (Fisilau 
) , across the world, is a very rare last name. The surname Fisilau is habitual in New Zealand, where it is a rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. Much less frequently, Fisilau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fisilau | New Zealand, United States, United Kingdom |
| kenni fisilau Tongan rugby union footballer (b. 1976) |
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| samisoni fisilau Tongan rugby union footballer, NZ (b. 1987) |
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