Cognomen Cioica (Cioica 
) , throughout the world, is a rare surname. The surname Cioica is characteristic of Romania, where it is quite a rare surname, Spain, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cioica | Spain, Romania, Canada, United States |
| petru adrian cioica Ph.D. Philipps-Universität Marburg 2014 |
|