| Saint Matthias | |
| Region: | Papua New Guinea |
| Familycolor: | Austronesian |
| Fam3: | Oceanic |
| Fam4: | Meso-Melanesian ? |
| Fam5: | Core Meso-Melanesian |
| Child1: | Mussau-Emira |
| Child2: | Tenis |
| Glotto: | stma1240 |
| Glottorefname: | St. Matthias |
The St Matthias languages are a pair of Oceanic languages spoken on the St. Matthias Islands.
They are a "residual" group of Oceanic languages.