| Calchín | |
| Native Name Lang: | es |
| Settlement Type: | City |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location in Argentina |
| Coordinates: | -31.6681°N -63.2°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Río Segundo |
| Leader Party: | UCR |
| Leader Title: | Mayor |
| Leader Name: | Claudio Gorgerino |
| Unit Pref: | Metric |
| Population Total: | 2447 |
| Population As Of: | 2010 Est. |
| Timezone1: | ART |
| Utc Offset1: | -3 |
Calchín is a town located in the Río Segundo Department of Córdoba, Argentina.
A lot of Calchín's economic revenue comes from alfalfa production.[1]