Cognomen Kaitu'U (Kaitu'U 
) , in all the world, is a very rare surname. The surname Kaitu'U is characteristic of Fiji, where it is quite a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaitu'U | Australia, Fiji |
|
dr. tautai agikimu'a kaitu'u Solomon Island politician, SB (b. 1959) |
|
| feleti kaitu'u Australian rugby union player, AU (b. 1994) |
|