| Lawunuia | |
| Also Known As: | Piva |
| States: | Papua New Guinea |
| Region: | Piva River, Bougainville Province |
| Speakers: | 2,000 |
| Date: | 2000 |
| Ref: | e27 |
| Familycolor: | Austronesian |
| Fam3: | Oceanic |
| Fam4: | Western |
| Fam5: | Meso-Melanesian |
| Fam6: | Northwest Solomonic |
| Fam7: | Piva–Banoni |
| Iso3: | tgi |
| Glotto: | lawu1237 |
| Glottorefname: | Lawunuia |
Lawunuia (also called Piva) is an Austronesian language spoken along the Piva river in the Autonomous Region of Bougainville, Papua New Guinea. It is closely related to Banoni;[1] together, Lawununia and Banoni make up one of the five primary branches of Northwest Solomonic, a major subgroup of the Oceanic languages.[2]