Carlos Antonio Vargas Guatatuca (born 1 December 1958 in Unión Base, Puyo) is an indigenous Quechua politician of Ecuador.
Vargas' mother, Eliseo, was a naturopath who spoke one of the Zaparoan languages, while his father, Acevedo, was a Kichwa-speaking merchant specializing in iron housewares.
In January 2000, Vargas was one of the lead participants in the coup d'état that took place against President Jamil Mahuad as a result of the 1998–1999 economic crisis.
In 2002 Vargas ran for the presidency of Ecuador under the banner of the Movimiento Independiente Amauta Jatari, finishing in last place.
On 20 June 2021, Vargas was arrested and sentenced to three years and four months detention in the Morona Santiago Social Rehabilitation Center, as well as a fine of twelve times the minimum wage, for illegal use/occupation and trafficking of land.