| Karnai | |
| Region: | a handful of villages in Morobe and Madang Provinces |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Western Oceanic |
| Fam5: | Ngero–Vitiaz |
| Iso3: | bbv |
| Glotto: | karn1252 |
| Glottorefname: | Karnai |
Karnai ('Barim') is an Austronesian language spoken by about 915 individuals in small villages near Wasu, Morobe Province, on Umboi Island, and near Saidor in Madang Province, Papua New Guinea.