| Election Name: | 1940 Ecuadorian presidential election |
| Country: | Ecuador |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1933 Ecuadorian presidential election |
| Previous Year: | 1933 |
| Next Election: | 1948 Ecuadorian presidential election |
| Next Year: | 1948 |
| Election Date: | 10–11 January 1940 |
| Image1: | Carlos Alberto Arroyo del Río (cropped).jpg |
| Nominee1: | Carlos Alberto Arroyo del Río |
| Party1: | Ecuadorian Radical Liberal Party |
| Popular Vote1: | 43,642 |
| Percentage1: | 53.16% |
| Nominee2: | José María Velasco Ibarra |
| Party2: | Independent politician |
| Popular Vote2: | 22,061 |
| Percentage2: | 26.87% |
| Image3: | Jacintojijonycamaañoporegomezjurado.jpg |
| Nominee3: | Jacinto Jijón y Caamaño |
| Party3: | Conservative Party (Ecuador) |
| Popular Vote3: | 16,376 |
| Percentage3: | 19.95% |
| President | |
| Before Election: | Julio Enrique Moreno |
Presidential elections were held in Ecuador on 10 and 11 January 1940.[1] The result was a victory for Carlos Alberto Arroyo del Río of the Ecuadorian Radical Liberal Party, who received 53% of the vote.[2]