Bartolomé de Medina, Spanish theologian, is born in Medina de Rioseco, Spain in 1527.

A member of the Dominican Order and a student of Francisco de Vitoria, he is professor of theology at the University of Salamanca and a member of the School of Salamanca.

He is best known as the originator of the doctrine of probabilism in moral theology, which holds that one may follow a course of action that has some probability, even if the opposite is more probable.

He died at Salamanca in 1581.