Luis Francisco Ladaria Ferrer (born 19 April 1944) is a Spanish Jesuit, theologian and a cardinal of the Roman Catholic Church.
After a thirty-year career teaching theology, he joined the Roman Curia in 2004 as Secretary-General of the International Theological Commission.
An archbishop from 2008 until his appointment to the cardinalate in 2018, he became Prefect of the Congregation for the Doctrine of the Faith (CDF) in 2017.
Pope Francis made him a cardinal on 28 June 2018 and named him the Cardinal-Deacon of Sant'Ignazio Loyola in Campo Marzio.