| Isabi | |
| States: | Papua New Guinea |
| Region: | Madang Province |
| Speakers: | 280 |
| Date: | 1981 |
| Ref: | e25 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea |
| Fam2: | Kainantu–Goroka |
| Fam3: | Goroka |
| Fam4: | Gende–Isabi |
| Iso3: | isa |
| Glotto: | isab1240 |
| Glottorefname: | Isabi |
Isabi (Maruhia) is a Papuan language spoken in Madang Province, Papua New Guinea.