| Arandilla | |
| Map: | Arandilla.png |
| Map Size: | 280px |
| Subdivision Type1: | Country |
| Subdivision Name1: | Spain |
| Length: | 51km (32miles) |
| Discharge1 Location: | Aranda de Duero |
| Source1 Location: | Huerta de Rey, Burgos, Castile and León, Spain |
| Mouth: | Duero river |
| Mouth Location: | Aranda de Duero, Ribera del Duero, Burgos, Castile and León, Spain |
| Mouth Elevation: | 802m (2,631feet) |
| Tributaries Left: | Dor, Espeja, Pilde |
| Tributaries Right: | Hozarroyo, Aranzuelo |
The Arandilla is a river found in the southeast of Burgos province, Spain. It runs through the following municipalities: