List of endangered languages in Papua New Guinea
An endangered language is a language that it is at risk of falling out of use, generally because it has few surviving speakers. If it loses all of its native speakers, it becomes an extinct language. UNESCO defines four levels of language endangerment between "safe" and "extinct":
- Vulnerable
- Definitely endangered
- Severely endangered
- Critically endangered
| Language | Speakers | Status | Comments |
| Abaga | 600 | Critically endangered | |
| Abom | 3 | Critically endangered | |
| Ainbai | 100 | Severely endangered | |
| Ak | 10 | Severely endangered | |
| Anuki | 890 | Definitely endangered | |
| Arawum | 60 | Severely endangered | |
| Ari | 50 | Severely endangered | |
| Bagupi | 50 | Definitely endangered | |
| Bauni | 300 | Severely endangered | |
| Bepour | 50 | Severely endangered | |
| Bikaru | 100 | Severely endangered | |
| Boselewa | 880 | Vulnerable | |
| Budibud | 310 | Vulnerable | |
| Bukiyip | 16,000 | Vulnerable | |
| Bulgebi | 150 | Definitely endangered | |
| Bumbita | 4,300 | Vulnerable | |
| Doga | 200 | Definitely endangered | |
| Dumun | 120 | Critically endangered | |
| Duwet | 400 | Vulnerable | |
| Gorovu | 20 | Severely endangered | |
| Grass Koiari | 1,700 | Vulnerable | |
| Guramalum | 3–4 | Critically endangered | Presumed extinct |
| Gweda | 26 | Definitely endangered | |
| Iteri | 480 | Severely endangered | |
| Kaiep | 200 | Vulnerable | |
| Kaki Ae | 630 | Vulnerable | |
| Kamasa | 7 | Critically endangered | |
| Kandas | 1,400 | Vulnerable | |
| Kaningra | 330 | Vulnerable | |
| Karian | 34 | Critically endangered | |
| Karore | 550 | Vulnerable | |
| Kawacha | 12 | Critically endangered | |
| Koita | 2,700 | Vulnerable | |
| Kowaki | 25 | Critically endangered | |
| Kuot | 1,500 | Vulnerable | |
| Kursav | 10 | Severely endangered | |
| Laxudumau | 800 | Vulnerable | |
| Likum | 80 | Definitely endangered | |
| Magori | 100 | Vulnerable | |
| Makolkol | 7 | Critically endangered | |
| Mand | 8 | Definitely endangered | |
| Mawak | 25 | Critically endangered | |
| Mindiri | 80 | Severely endangered | |
| Moere | 50 | Severely endangered | |
| Mosimo | 50 | Severely endangered | |
| Mumeng | 2,050 | Definitely endangered | |
| Musom | 200 | Definitely endangered | |
| Mussau-Emira | 5,000 | Definitely endangered | |
| Mwatebu | 120 | Definitely endangered | |
| Nafi | 160 | Severely endangered | |
| Namo | 370 | Severely endangered | |
| Nauna | 420 | Vulnerable | |
| Neme | 200 | Severely endangered | |
| Nete | 1,000 | Severely endangered | |
| Nor | 1,000 | Vulnerable | |
| Numbami | 200 | Vulnerable | |
| Odoodee | 490 | Severely endangered | |
| Onjob | 150 | Vulnerable | |
| Papapana | 120 | Definitely endangered | |
| Papi | 220 | Severely endangered | |
| Piame | 100 | Severely endangered | |
| Piu | 100 | Definitely endangered | |
| Puari | 35 | Critically endangered | |
| Rema | 12 | Severely endangered | |
| Samosa | 90 | Severely endangered | |
| Sengseng | 1,800 | Vulnerable | |
| Sepa | 700 | Vulnerable | |
| Sera | 510 | Severely endangered | |
| Siawi | 220 | Severely endangered | |
| Sissano | 300 | Critically endangered | |
| Som | 500 | Definitely endangered | |
| Suarmin | 140 | Definitely endangered | |
| Suena | 3,600 | Critically endangered | |
| Sumariup | 80 | Severely endangered | |
| Susuami | 10 | Critically endangered | |
| Taulil | 2,000 | Vulnerable | |
| Tayap | <50 | Severely endangered | |
| Tenis | 30 | Critically endangered | |
| Turaka | 25 | Critically endangered | |
| Uya | 270 | Severely endangered | |
| Vehes | 70 | Severely endangered | |
| Wab | 120 | Vulnerable | |
| Wantoat | 8,200 | Critically endangered | |
| Yapunda | 60 | Severely endangered | |
| Yarawata | 130 | Severely endangered | |
| Yimas | 50 | Severely endangered |