María Antonia Suárez

María Antonia Suárez de Morales (née Suárez Orrantia; June 5, 1897 - August 7, 1950) was a Colombian housewife, daughter of the 9th President Marco Fidel Suárez. Suárez served as Acting First Lady of Colombia from 1918 until her marriage in 1919, since her mother, Isabel Orrantia, had died years before her father became President of Colombia.

María Antonia was one of the most influential people in the Suárez administration, during her two years as acting first lady.