Surname Wainikka (Wainikka 
) , in the entire world, is a very rare cognomen. The surname Wainikka is habitual in Finland, where it is a rare surname, Sweden, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wainikka | Canada, Finland, Sweden |
| rolf wainikka SE (b. 1963) |
|
|
| christina wainikka SE (b. 1968) |
|