| Las Rosas | |
| Native Name: | Las Rosas-Las Lomas |
| Native Name Lang: | es |
| Settlement Type: | City |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location of Las Rosas in Argentina |
| Coordinates: | -32.4833°N -96°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Belgrano |
| Leader Party: | PRO |
| Leader Title: | Mayor |
| Leader Name: | Javier Meyer |
| Unit Pref: | Metric |
| Area Total Km2: | 697 |
| Population Total: | 13,689 |
| Population As Of: | 2010 census |
| Population Density Km2: | auto |
| Timezone1: | ART |
| Utc Offset1: | -3 |
| Postal Code Type: | CPA base |
| Postal Code: | S2520 |
| Area Code Type: | Dialing code |
| Area Code: | +54 3471 |
Las Rosas is a city in the southwest of the, located 1650NaN0 from the provincial capital. It has about 13,689 inhabitants as per the, and it is the head town of the Belgrano Department, which also comprises the municipalities of Armstrong, Bouquet, Las Parejas, Montes de Oca, and Tortugas.
Las Rosas was founded in 1889 by Guillermo Kemmis & Dickinson bros, and was officially recognized on January 1, 1882, becoming a city on August 20, 1967.
Summers there are warm, humid, wet, and mostly clear and the winters are short, cold, dry, and partly cloudy. Over the course of the year, the temperature typically varies from 41 °F to 87 °F and is rarely below 30 °F or above 95 °F.