Family name Туиара (Туиара 
, Tuiara 
) , throughout the world, is a very rare surname. The cognomen Туиара is characteristic of New Zealand, where it is a very rare surname, China, where it is an extremely rare surname, and Russia. More prevalently, Туиара is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Туиара | Russia |
| Tuiara | Brazil, United States, New Zealand, China, Russia |