Carlos Sáenz Herrera (Brussels, Belgium, 1 September 1910 – Saint José, 7 November 1980) was a Vice President of Costa Rica.
He also served as a pioneer pediatrician in Costa Rica.
His parents were José Carlos Sáenz Esquivel and Úrsula Celina Herrera and Paut.
He married his first in Carthage, Costa Rica, on 4 December 1937.
This wife was María Virginia Pacheco Gutiérrez, daughter of José Joaquín Pacheco Cooper and Carlota Gutiérrez Urtecho.
His second wife, married on 1 September 1958, was Ángela Carbonell Massenet.
She was the daughter of Francisco of Take Carbonell i Reverter and Juana Bautista Massenet Pozo.
His main studies were in the School Juan Rafael Dwells and secondary the Liceo of Costa Rica in Saint José where obtained the baccalaureate.
When concluding his secondary studies he traveled to Belgium (1928), where graduated of doctor in Medicine in the Free University of Brussels (1934).
Later he specialized in pediatrics in the University of Strasbourg, and returned to Costa Rica in 1935.