Carlos Alberto Arroyo del Río (1893–1969) was President of Ecuador from 1940-1944. He was a member of the Ecuadorian Radical Liberal Party. During his term, the country lost the 1941 Ecuadorian–Peruvian War.
| Preceded by Aurelio Mosquera |
President of Ecuador 1939 |
Succeeded by Andrés Córdova |
| Preceded by Julio Enrique Moreno |
President of Ecuador 1940-1944 |
Succeeded by Julio Teodoro Salem |