Globally, Oikarinen (Oikarinen 
) is an extremely rare unknown gender first name. Predominantly, Oikarinen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oikarinen | Germany, Sweden, Estonia, Finland, United States |
| valle oikarinen Finnish professor (1927-2017), FI (b. 1927) |
|
|
| arto oikarinen FI |
|
Mr, Anne, Anni, Arto, Aila, Aune, Kari, Kati, Paul, Pasi, Piia, Rami, Rosa, Rick, Riku, Gary, Gray, Lena, Lisa, Liam, Jani, Jari, Anna, Suvi, Simo, Sini, Ms, Mia, Anu, Ari, Bob, Rob, Leo, Nea, Esa, Mari, John, Meri, Miro, Mika, Miia, Sara, Sari, Sami, Samu, Satu, Saku, Saga, Mira, and Joni