| Pilanku | |
| Elevation M: | 4200 |
| Range: | Andes, Cordillera Blanca |
| Location: | Peru, Ancash Region |
| Map: | Peru |
| Map Size: | 200 |
| Coordinates: | -8.4744°N -77.4375°W |
Pilanku (Ancash Quechua for dam, also spelled Pilanco) is a mountain in the northern extension of the Cordillera Blanca in the Andes of Peru which reaches a height of approximately 42000NaN0. It is located in the Ancash Region, Sihuas Province, on the border of the districts of Alfonso Ugarte and Huayllabamba.