| Aruamu | |
| Nativename: | Mikarew |
| States: | Papua New Guinea |
| Region: | Madang Province |
| Coordinates: | -4.3236°N 144.7861°W |
| Speakers: | 12,000 |
| Date: | 2018 |
| Ref: | e25 |
| Familycolor: | Papuan |
| Fam2: | Ramu proper |
| Fam4: | Misegian |
| Iso3: | msy |
| Glotto: | arua1260 |
| Glottorefname: | Aruamu |
Aruamu a.k.a. Mikarew (Mikarup, Makarup, Makarub), also Ariawiai (Mikarew-Ariaw), is a Ramu language spoken in Mikarew village (-4.3236°N 144.7861°W) of Yawar Rural LLG, Madang Province, Papua New Guinea.[1]