Cognomen Rikco (Rikco 
) , throughout the world, is a very rare surname. The surname Rikco is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname. More prevalently, Rikco is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rikco | New Zealand, Indonesia, United States, Netherlands |