Carchi (Spanish pronunciation: [ˈkaɾtʃi]) is a province in Ecuador.

The Carchi River rises on the slopes of Chiles volcano and forms the boundary between Colombia and Ecuador near Tulcan.

Rumichaca Bridge is the most important land route between Colombia and Ecuador.

Carchi produces food, drinks, tobacco, and dairy products.

The following table lists each with its population at the 2010 census, its area in square kilometres (km²), and the name of the canton seat or capital.