| Fio | |
| Region: | Cameroon |
| Speakers: | ? |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Volta–Congo |
| Fam4: | Benue–Congo |
| Fam5: | Bantoid |
| Fam6: | Southern Bantoid |
| Fam7: | Beboid? |
| Fam8: | Eastern Beboid |
| Fam9: | (unclassified) |
| Iso3: | none |
| Glotto: | fioo1234 |
| Glottorefname: | Fio |
Fio is an Eastern Beboid language of Cameroon.