| Tenis | |
| Also Known As: | Tench |
| States: | Papua New Guinea |
| Region: | Tench Island (New Ireland Province) |
| Speakers: | 30 |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | St. Matthias |
| Map2: | Lang Status 20-CR.svg |
| Iso3: | tns |
| Glotto: | teni1244 |
| Glottorefname: | Tenis |
Tenis, or Tench, is the nearly extinct language of Tench Island in the St Matthias Islands of the Bismarck Archipelago.