| Heyo | |
| Nativename: | Arinua |
| States: | Papua New Guinea |
| Region: | Sandaun Province |
| Date: | 2018 |
| Ref: | e25 |
| Familycolor: | Papuan |
| Fam1: | Torricelli |
| Fam2: | Maimai |
| Fam3: | Maimai proper |
| Fam4: | Yahang–Heyo |
| Iso3: | auk |
| Glotto: | heyo1240 |
| Glottorefname: | Heyo |
Heyo a.k.a. Arinua (Arinwa, Arima) is a Torricelli language of Papua New Guinea. It is also known as Lolopani and Ruruhip. The name Ruruhip is also shared with Yahang, which is closely related.