The Coig River (Spanish pronunciation: [ˈkojɣ]) 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 Bahía Grande, and the Coyle estuary's end is defined by two points, Punta Norte and Punta Sur.

Coig River
Location of mouth
Location
Country	Argentina