The Guáitara River () is a river of Colombia. It is a tributary of the PatÃÂa River.
The Guáitara River rises on the border of Ecuador and Colombia on the slopes of Chiles Volcano and initially flows east, eventually turning north to join the Patia. It is called the Carchi River in Ecuador.
In its lower reaches the river is in the PatÃÂa Valley dry forests ecoregion.