Jorge Arturo Agustín Medina Estévez (; 23 December 1926 – 3 October 2021) was a Chilean Catholic Church cardinal. He was born in Santiago de Chile.
He was prefect of the Congregation for Divine Worship and the Discipline of the Sacraments from 1996 to 2002 and was made a Cardinal in 1998. He was auxiliary bishop and then from 1987 bishop of Rancagua and then bishop of Valparaíso from 1993 to 1996.
Medina was a critic of homosexuality. In 2011, he was accused of sexual assault on minors.
Medina died on 3 October 2021 in Santiago de Chile at the age of 94.