| Sewa Bay | |
| States: | Papua New Guinea |
| Region: | Milne Bay Province |
| Speakers: | 1,520 |
| Date: | 1972 census |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Western Oceanic |
| Fam5: | Papuan Tip |
| Fam6: | Nuclear Papuan Tip |
| Fam7: | North Papuan Mainland – D'Entrecasteaux |
| Fam8: | Dobu–Duau |
| Iso3: | sew |
| Glotto: | sewa1251 |
| Glottorefname: | Sewa Bay |
Sewa Bay, or Duau Pwata, is a dialectically diverse Austronesian language spoken in the D'Entrecasteaux Islands of Papua New Guinea. Its dialects are Miadeba, Bwakera, Maiabare, Darubia, Sewataitai, Sibonai and Central Sewa Bay.[1] It is spoken in Milne Bay province: center of Normanby island, Sewa Bay area.