| Lesing-Gelimi | |
| Also Known As: | Lesing-Atui |
| Nativename: | Amio-Gelimi |
| States: | Papua New Guinea |
| Region: | New Britain |
| Speakers: | 2,000 |
| Date: | 2000 census |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Western Oceanic |
| Fam5: | North New Guinea |
| Fam6: | Ngero–Vitiaz |
| Fam7: | Southwest New Britain |
| Fam8: | Arawe–Pasismanua |
| Fam9: | Arawe |
| Fam10: | East |
| Iso3: | let |
| Glotto: | lesi1239 |
| Glottorefname: | Lesing-Gelimi |
| Dia1: | Lesing (Amio) |
| Dia2: | Gelimi (Atui) |
Lesing-Gelimi, or Lesing-Atui, is an Austronesian language of New Britain, Papua New Guinea.