| Kopkaka | |
| Region: | Highland Papua |
| Speakers: | 500 |
| Date: | 1998–2002 |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam2: | Central & South New Guinea ? |
| Fam4: | Western |
| Lc1: | opk |
| Ld1: | Kopkaka |
| Lc2: | kwr |
| Ld2: | Kwer |
| Dia1: | Tokuni |
| Dia2: | Marub |
| Dia3: | Kwer |
| Glotto: | kopk1238 |
| Glottoname: | Kopkaka |
| Glotto2: | kwer1265 |
| Glottoname2: | Kwer |
| Elp2: | 4461 |
| Elpname2: | Kwer |
Kopkaka (Kopka) is an Ok language spoken in Seredala District, Yahukimo Regency, Highland Papua. The villages that speak this language are Seredala, Moruf, Mosomduba, Burupmakot, and others.[1]