| Mari | |
| Also Known As: | Hop |
| Region: | Madang Province |
| State: | Papua New Guinea |
| Speakers: | 810 |
| Date: | 2000 |
| Ref: | e18 |
| Familycolor: | Austronesian |
| Fam2: | Malayo-Polynesian |
| Fam3: | Oceanic |
| Fam4: | Western Oceanic |
| Fam5: | North New Guinea ? |
| Fam6: | Ngero–Vitiaz ? |
| Fam7: | Huon Gulf |
| Fam8: | Markham |
| Fam9: | Upper |
| Iso3: | hob |
| Glotto: | mari1429 |
| Glottorefname: | Mari (Madang Province) |
Mari, or Hop, is a minor Austronesian language of Madang Province, Papua New Guinea. It is spoken in the four villages of Bumbu (-5.9852°N 145.9021°W), Bubirumpun (-5.9798°N 145.8982°W), Musuam (-5.8845°N 145.7396°W), and Sangkiang (-5.9213°N 145.8372°W) in Usino Rural LLG of the Ramu valley.[1]