Family name Alefosio (Alefosio 
) , all over the world, is a rare last name. The cognomen Alefosio is characteristic of New Zealand, where it is a rare surname, Australia, and the United States, where it is a very rare surname. Very seldom, Alefosio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alefosio | Australia, Canada, France, New Zealand, United States |
| alefosio laki WS (b. 1979) |
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| alefosio tatola Australian born Tongan rugby union player (b. 1995) |
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| kolone alefosio Samoan athlete (b. 1999) |
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Pj, Marnie, Madden, Salamo, Sherri, Selina, Stacie, Andrew, Amanda, Koreti, Paneta, Petelo, Gloria, Lenora, Leauma, Jordan, Thomas, Filipo, Fualuga, Olivia, Utumoe, Margene, Oreni, Ioane, Ioana, Hosea, Moe, Sio, Gus, Noa, Nei, Rita, Dora, Lena, John, Eric, Madilyn, Vise, Sandy, Scott, Alice, Amani, Peace, David, Jaime, Tovia, Trent, Erica, Maria, and Anthony