Jaime Hilario Barbal (2 January 1898 – 18 January 1937) – born Manuel Barbal i Cosán – was a Catalan Roman Catholic and a professed religious brother from the Institute of the Brothers of the Christian Schools. He served for almost two decades as a teacher in the schools that his order managed until being caught up in the turmoil of the Spanish Civil War that saw the forces of the Second Spanish Republic execute him.