| Official Name: | Las Arañas |
| Subdivision Type: | Region |
| Subdivision Name: | O'Higgins |
| Subdivision Type1: | Province |
| Subdivision Name1: | Colchagua |
| Subdivision Type2: | Municipalidad |
| Subdivision Name2: | Chépica |
| Subdivision Type3: | Comuna |
| Subdivision Name3: | Chépica |
| Government Type: | Municipality |
| Leader Title: | Alcalde |
| Leader Name: | Fabián Soto |
| Population As Of: | 2017[1] |
| Population Total: | 418 |
| Demographics Type1: | Sex |
| Demographics1 Title1: | Men |
| Demographics1 Info1: | 211 |
| Demographics1 Title2: | Women |
| Demographics1 Info2: | 207 |
| Timezone: | Chilean Standard |
| Utc Offset: | -4 |
| Timezone Dst: | Chilean Daylight |
| Utc Offset Dst: | -3 |
| Elevation: | 204 |
| Area Code: | Country + town = 56 + 72 |
Las Arañas is a village (es|caserío) in O'Higgins Region, Chile.[1] It is located about 204 m asl. in 2.3 km northeast of Chépica. Its name means literally "The Spiders".