Last name Cioinac (Cioinac 
) , in all the world, is a rare surname. The cognomen Cioinac is characteristic of Romania, where it is a rare surname, Italy, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cioinac | Germany, Italy, Turkey, Romania |
| ionuț cioinac association football player, RO (b. 1991) |
|