Last name Ainasoja (Ainasoja 
) , worldwide, is a rare cognomen. The last name Ainasoja is habitual in Finland, where it is quite a common surname, Sweden, where it is a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ainasoja | Sweden, Finland, Brazil, United States |
|
edvard ainasoja FI (b. 1891) |
|
| ari ainasoja Finnish musician, FI (b. 1957) |
|
|
| eeva-leena ainasoja FI |
|
Mr, Miina, Miika, Sanni, Sirpa, Seppo, Anton, Antti, Arttu, Kalle, Keijo, Pekka, Raimo, Raija, Risto, Laura, Lasse, Leila, Lotta, James, Jarmo, Joona, Mikko, Mauri, Maija, Maria, Ms, Mia, Anu, Ari, Kia, Mari, Mika, Miia, Sami, Sini, Jesse, Anna, Ansa, Pasi, Jani, Joni, Juho, Timo, Nina, Esko, Eija, Outi, Anne, and Jenny