| Sepa | |
| Region: | Manam Island, Madang Province, Papua New Guinea |
| Speakers: | 700 |
| Date: | 2003 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam3: | Oceanic |
| Fam4: | Western Oceanic |
| Fam5: | Schouten |
| Fam6: | Kairiru–Manam |
| Fam7: | Manam |
| Map2: | Lang Status 80-VU.svg |
| Iso3: | spe |
| Glotto: | sepa1241 |
| Glottorefname: | Sepa (Papua New Guinea) |
Sepa is an Oceanic language of northeast New Guinea.