| Lusi | |
| Nativename: | Kaliai |
| Region: | New Britain |
| Speakers: | 2,000 |
| Date: | 1994 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Western Oceanic |
| Fam5: | Ngero–Vitiaz |
| Fam6: | Ngero |
| Fam7: | Bariai |
| Dia1: | Kaliai |
| Iso3: | khl |
| Glotto: | lusi1240 |
| Glottorefname: | Lusi |
Lusi is an Austronesian language of New Britain. Kaliai is a dialect.