| Gaa | |
| Nativename: | Tiba |
| States: | Nigeria |
| Region: | Adamawa State |
| Speakers: | 10,000 |
| Date: | 1997 |
| Ref: | e25 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Benue–Congo |
| Fam4: | Dakoid |
| Fam5: | Gaa–Dong |
| Iso3: | ttb |
| Glotto: | gaaa1245 |
| Glottorefname: | Gaa |
Gaa, or Tiba, is a poorly documented language of Nigeria. It is apparently one of the Dakoid languages.