| Polonombauk | |
| Also Known As: | Ati |
| States: | Vanuatu |
| Region: | Santo Island |
| Ethnicity: | 550 |
| Speakers: | 120 |
| Date: | 2007 |
| Ref: | e25 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Southern Oceanic |
| Fam5: | North-Central Vanuatu |
| Fam6: | North Vanuatu |
| Fam7: | Espiritu Santo |
| Iso3: | plb |
| Glotto: | polo1242 |
| Glottorefname: | Polonombauk |
| Map: | Lang Status 60-DE.svg |
Polonombauk (Meris, Miris, Ati) is a language of the interior of the southeast of Santo Island in Vanuatu.
François (2015:18-21) also lists Narmoris under the ISO 639-3 code [plb].