Firmin Desloge Hospital is a hospital in St. Louis, Missouri, opened in 1932 by the Jesuits of Saint Louis University and the Sisters of Saint Mary.[1] Named for the benefactor, Firmin V. Desloge, it was established to serve the poor and others in need.[2] Located on Grand Avenue between Vista Avenue and Rutger Avenue, Firmin Desloge Hospital was the main hospital building of the St. Louis University Medical Center until a new hospital was built and opened in 2020.