Worldwide, Nikulainen (Nikulainen 
) is an extremely rare unknown gender given name. Much more frequently, Nikulainen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nikulainen | United Kingdom, Estonia, Canada, United States, Finland |
|
arto nikulainen Finnish rower (1930-2010), FI (b. 1930) |
|
Mr, Emma, Eija, Eero, Eetu, Eeva, Veli, Ilpo, Iina, Osmo, Ulla, Marko, Mandi, Matti, Minna, Mikko, Antti, Anita, Katja, Kimmo, Paula, Pekka, Ella, Raimo, Timo, Taru, Ms, Ada, Aki, Kai, Kim, Pia, Roy, Teo, Tea, Esa, Mari, Mika, Miia, Sami, Arto, Asko, Aino, Kati, Pasi, Joni, Juho, Tero, and Ronja