Family name Tualau (Tualau 
) , worldwide, is a very rare cognomen. The last name Tualau is habitual in Australia, where it is a very rare surname, New Zealand, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tualau | New Zealand, United States, Australia |
|
francis tualau Tongan rugby league footballer, NZ (b. 1994) |
|
| tualau fale Tongan boxer (b. 1960) |
|
|
| kefilini tualau (b. 1984) |
|