| Coig River | |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location of mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | Argentina |
The Coig River (pronounced as /es/) is a river of Argentina. It originates in Laguna La Esperanza, which is located near the Argentine border with Chile and Ruta Nacional 40. It empties into BahÃa Grande, and the Coyle estuary's end is defined by two points, Punta Norte and Punta Sur.