| Gao | |
| States: | Central Solomon Islands |
| Region: | Santa Isabel Island |
| Date: | 1999 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Northwest Solomonic |
| Fam5: | New Georgia – Ysabel |
| Fam6: | Ysabel |
| Fam7: | East Isabel |
| Iso3: | gga |
| Glotto: | gaoo1237 |
| Glottorefname: | Gao |
| Map: | Lang Status 80-VU.svg |
| Also Known As: | Nggao |
Gao (also called Nggao) is an endangered Oceanic language spoken in the Solomon Islands. Its speakers live on Santa Isabel Island.