Family name Iosia (Iosia 
) , around the globe, is a rare cognomen. The cognomen Iosia is habitual in Papua New Guinea, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia. Measured by absolute frequency, it most frequently occurs in Papua New Guinea, the United States, and Italy. Much less frequently, Iosia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iosia | Papua New Guinea, Italy, New Zealand, Australia, United States |
|
iosia soliola New Zealand rugby league footballer, NZ (b. 1986) |
|
| iosia iosia American-football player (1991-), US (b. 1991) |
|
Sa, Kueni, David, Gaina, Jimmy, Jimae, Tinga, Naomi, Erika, Martha, Mareta, Savelu, Sharon, Sheena, Simone, Sulesa, Serena, Selesa, Sosene, Amylia, Akenese, Rihart, Karen, Davide, Agnes, Metwa, Mac, Moe, Sia, Joe, Tau, Fia, Mike, Sara, Samu, Sepe, Koko, Rita, Ruta, Gino, Lene, Lisa, Tina, Numi, Hupe, Fitu, Moana, Soani, and Lototo