| Las Parejas | |
| Native Name Lang: | es |
| Settlement Type: | City |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location of Las Parejas in Argentina |
| Coordinates: | -32.6833°N -93°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Belgrano |
| Unit Pref: | Metric |
| Area Total Km2: | 295 |
| Elevation M: | 85 |
| Population Total: | 12375 |
| Population As Of: | 2010 census |
| Population Density Km2: | auto |
| Timezone1: | ART |
| Utc Offset1: | -3 |
| Postal Code Type: | CPA base |
| Postal Code: | S2505 |
| Area Code Type: | Dialing code |
| Area Code: | +54 3471 |
Las Parejas is a city in the southwest of the province of Santa Fe, Argentina, on National Route 178. Las Parejas has 11,301 inhabitants as per the .
The town was founded in 1889 on lands belonging to the Ferrocarril Central Argentino railway company. The communal jurisdiction was established on 6 October 1902. The commune officially became a city on 27 June 1986.
The economy of Las Parejas is based on agriculture and (on a smaller scale) cattle farming. Industries have experienced a surge, especially the manufacturing of agricultural machinery, since the turn of the 21st century. Las Parejas and Armstrong are home to 20% of the productive capacity of this industry, which supplies a growing local demand and is beginning to export. Las Parejas was declared "Provincial Capital of the Small and Medium Enterprise" in 2004.[1]