Tulcán Canton is a canton of Ecuador, located in Carchi Province. Its capital is the city of Tulcán. The population of the canton in the 2001 census was 77,175 and 86,498 in the 2010 census. The area of the canton is 1801 sqkm.
Most of the population of the canton is in the Andes, especially in the city and surroundings of Tulcán, but the land area stretches into the Andes foothills to the west. Tulcan has the highest elevation of any city in Ecuador, 2950 m above sea level. The northern limit of the canton is the border with Colombia with the most important land passage between the two countries at Rumichaca Bridge.
The canton is sub-divided into ten parishes: El Carmelo (El Pun), El Chical, Julio Andrade (Orejuela), Maldonado, Pioter, Santa Martha de Cuba, Tobar Donoso (La Bocana de Camumbi), Tufiño, Tulcán, and Urbina (Taya).