Abelardo Montalvo Alvear (March 13, 1876 – December 1, 1950) was the acting President of Ecuador from October 1933 to August 1934.

Montalvo was a member of the Ecuadorian Radical Liberal Party for which he became a deputy and later senator for Pichincha Province.

[1] Aside from his political functions Montalvo was a professor of law at the Central University of Ecuador and the Rector of the Colegio Nacional Mejía.

The Chamber of Deputies then accused Martínez Mera of attempting to overthrow the government and institute a dictatorship.

The Senate subsequently impeached Martínez and named his Minister of Interior, Abelardo Montalvo, acting president.