The Cantons of Ecuador are the second-level subdivisions of Ecuador, below the provinces. There are 221 cantons in the country,^[1] of which three are not in any province^{[clarification needed]}. The cantons are further sub-divided into parishes, which are classified as either urban or rural. Below is a list of cantons by province.

There are or were four areas that are non-delimited. These locations are:

• Las Golondrinas: In a referendum held on April 3, 2016, 56.9% of voters voted in favor of Las Golondrinas being incorporated into the Imbabura Province.^[2]
• La Manga del Cura: In a referendum held on September 27, 2015, 64.2% of the voters voted in favor of La Manga del Cura being incorporated into the Manabí Province.^[3]
• El Piedrero (surrounded by Guayas and Cañar)
• Matilde Esther (surrounded by Los Ríos, Guayas and Bolívar)

In each canton there is a jefe político, chosen by, and representing the interests of, the president. There is also a mayor (alcalde) and a municipal council (concejo municipal), chosen by popular vote.

• Provinces of Ecuador