| Calca | |
| Native Name: | Khallka |
| Native Name Lang: | qu |
| Settlement Type: | District |
| Mapsize: | frameless |
| Subdivision Type: | Country |
| Subdivision Name: |  Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | Cusco |
| Subdivision Type2: | Province |
| Subdivision Name2: | Calca |
| Parts Type: | Subdivisions |
| Parts Style: | para |
| Established Title: | Founded |
| Seat Type: | Capital |
| Seat: | Calca |
| Leader Title: | Mayor |
| Leader Name: | Ciriaco Condori Cruz |
| Unit Pref: | Metric |
| Area Total Km2: | 311.01 |
| Elevation M: | 2928 |
| Population Total: | 18491 |
| Population As Of: | 2005 census |
| Population Density Km2: | auto |
| Timezone1: | PET |
| Utc Offset1: | -5 |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 080401 |
Calca District is one of eight districts of the province Calca in Peru.[1] The capital of the district is Calca, also known as the capital of the Sacred Valley.
Some of the highest mountains of the Urupampa mountain range, Ch'iqun, Q'irayuq, Sawasiray and Siriwani, lie in the northwestern part of the Calca District. Other mountains of the district are listed below:[2]