Juan de Dios Hernández-Ruiz, S.J. (born November 14, 1948, in Holguín, Cuba) is a Cuban Roman Catholic bishop, currently serving as the Bishop of Pinar del Río since his appointment by Pope Francis on June 5, 2019. He previously served as the Titular Bishop of Passo Corese and Auxiliary Bishop of the Archdiocese of Havana.