Surname Fiaalii (Fiaalii 
) , around the globe, is a very rare cognomen. The surname Fiaalii is habitual in New Zealand, where it is a rare surname, Australia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Australia, New Zealand, and the United States. Much less frequently, Fiaalii is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fiaalii | Australia, New Zealand, United States, Canada |