| Mazocruz | |
| Native Name Lang: | es |
| Pushpin Map: | Peru |
| Coordinates: | -16.7425°N -69.7161°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | Puno |
| Subdivision Type2: | Province |
| Subdivision Name2: | El Collao |
| Subdivision Type3: | District |
| Subdivision Name3: | Santa Rosa District |
| Population Footnotes: | [1] |
| Population Total: | 1070 |
| Population As Of: | 2017 |
| Population Density Km2: | auto |
Mazocruz, also spelled Mazo Cruz, is a town and the capital of the Santa Rosa District in the El Collao Province, department of Puno, in the Peruvian Altiplano.