Last name Riikkilä (Riikkilä 
) , across the world, is an extremely rare cognomen. The cognomen Riikkilä is characteristic of Northern Europe, particularly Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Riikkilä | Finland |
|
väinö riikkilä Finnish writer, FI (b. 1906) |
|
| kari riikkilä |
|