Worldwide, Ilaitia (Ilaitia 
) is a very rare masculine first name. The first name Ilaitia is habitual in Melanesia, particularly Fiji, where it is quite a rare boy's name. Very seldom, Ilaitia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ilaitia | United Kingdom, Papua New Guinea, Australia, New Zealand, Fiji |
| ilaitia s. tuwere (b. 1940) |
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| ilaitia savai Fijian rugby union player (1960-2015), FJ (b. 1960) |
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| ilaitia tuisese Fijian politician |
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| ilaitia nainoca cyclist, FJ |
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| ilaitia tuilau footballer, FJ (b. 1987) |
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