| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| FIONN | FIN, FYOON | Irish, Irish Mythology | ||
| FIONNÁN | - | Irish | ||
| FIONNBARRA | - | Irish | ||
| FIONNBHARR | FIN-var | Irish | ||
| FIONNGHALL | - | Scottish | ||
| FIONNGHUALA | - | Irish, Scottish, Irish Mythology | ||
| FIONNLAGH | - | Irish, Scottish | ||
| FIONNTAN | - | Irish, Scottish | ||
| FIONNUALA | - | Irish, Irish Mythology | ||
| FIONOLA | - | Irish, Scottish | ||
| FIORALBA | - | Italian | ||
| FIORELLA | fyo-REL-lah | Italian | ||
| FIORENZA | fyo-REN-tsah | Italian | ||
| FIORENZO | fyo-REN-tso | Italian | ||
| FIORINO | - | Italian |