| Lago Arancio | |
| Location: | Province of Agrigento, Sicily |
| Coords: | 37.6346°N 13.0624°W |
| Pushpin Map: | Italy Sicily#Italy |
| Type: | reservoir |
| Outflow: | Carboj |
| Basin Countries: | Italy |
| Length: | 2.82km (01.75miles) |
| Width: | 1.09km (00.68miles) |
| Volume: | 32000000m2 |
Lago Arancio (Italian for "orange tree lake") is a lake in the Province of Agrigento, Sicily, Italy. The reservoir is located on the territory of the municipalities of Sambuca di Sicilia, Santa Margherita di Belice and Sciacca.
The ruins of the Fortino di Mazzallakkar are located near the lake, and are sometimes partially submerged by its waters.[1]