| Yawarmayu | |
| Name Etymology: | Quechua |
| Subdivision Type1: | Country |
| Subdivision Name1: | Peru |
| Subdivision Type3: | Region |
| Subdivision Name3: | Puno Region |
| Mouth: | Inambari River |
Yawarmayu (Quechua yawar blood, mayu river,[1] "blood river", hispanicized spelling Yahuarmayo) is a river in Peru located in the Puno Region, Carabaya Province, Ayapata District.[2] It originates near the border of the districts Ayapata and Coasa. The Yawarmayu's direction is mainly to the northwest where it meets Inambari River as a right affluent. The confluence is north of the village Yawarmayu (Yahuarmayo).