Surname Alefaio (Alefaio 
) , globally, is a rare cognomen. The family name Alefaio is habitual in Fiji, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Fiji, the United States, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Alefaio | Fiji, Australia, United States, Canada, New Zealand |
|
siautu alefaio New Zealand psychology researcher, NZ |
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| semese alefaio Tuvuluan footballer, TV (b. 1974) |
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| alefaio vaisuai rugby union player |
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| semese alefaio Tuvalu herpetologist, TV |
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Mele, Chante, Claire, Kayval, Petesa, Danita, Lisepeta, Joanna, Jerome, Junior, Tavita, Nicole, Vainuu, Fanolua, Fetuiai, Iafeta, Olivia, Bounlack, Latileta, Jessika, Jeffrey, Ephraim, Aleila, Saofaga, Mekuli, Opeta, Sila, Abel, Kala, Puni, Rose, Dave, Gina, Lulu, Jojo, Marie, Epenesa, Misty, Siara, Alesi, Rubby, David, James, Taaua, Tommy, Trudy, Tinei, Tiara, Simon, and Maryticka