| Rerau | |
| States: | Papua New Guinea |
| Region: | Madang Province |
| Speakers: | 590 |
| Date: | 2000 census |
| Ref: | e18 |
| Familycolor: | Papuan |
| Fam1: | Trans–New Guinea |
| Fam2: | Madang |
| Fam3: | Rai Coast |
| Fam4: | Awung River |
| Iso3: | rea |
| Glotto: | rera1240 |
| Glottorefname: | Rerau |
Rerau is a Rai Coast language spoken in Madang Province, Papua New Guinea.