| Pukara Mayu | |
| Name Etymology: | Quechua |
| Subdivision Type1: | Country |
| Subdivision Name1: | Bolivia |
| Subdivision Type3: | Region |
| Subdivision Name3: | Cochabamba Department |
| Mouth: | Mayllanku River (Rocha River) |
Pukara Mayu (Aymara[1] and Quechua[2] pukara fortress or mountain of protection, mayu river,[3] Hispanicized spelling Pucara Mayu) is a Bolivian river in the Cochabamba Department, Chapare Province, Sacaba Municipality.[4] It is a left affluent of Mayllanku River (Maylanco) which receives the name Rocha River when it enters the Cochabamba Municipality.