| Gavak | |
| Also Known As: | Dimir |
| Nativename: | Bosiken |
| States: | Papua New Guinea |
| Region: | Madang Province |
| Date: | 2003 |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea? |
| Fam2: | Madang |
| Fam3: | Croisilles |
| Fam4: | Isumrud |
| Fam5: | Dimir–Malas |
| Iso3: | dmc |
| Glotto: | dimi1244 |
| Glottorefname: | Dimir |
Gavak, also known as Bosiken (Boskien) and Dimir, is a Papuan language of Madang Province, Papua New Guinea.[1] It is spoken in the Dimir River area.