Juan de Dios Martínez Mera (9 March 1875 – 27 October 1955) was 23rd President of Ecuador from 1932 to 1933.

He was President of the Chamber of Deputies in 1921.

In Quito, a main avenue is named after him.

He graduated with a bachelor's degree from San Vicente de el Guayas.

This article about an Ecuadorian politician is a stub.