Jaime Cardinal Sin, also Jaime Lachica Cardinal Sin (August 31, 1928-June 21, 2005) (Chinese name: 辛海梅; 辛海棉 Xīn Hǎiméi; Xīn Hǎimián), was an archbishop of the Roman Catholic Church in the Philippines. He led the Archdiocese of Manila as its archbishop and was later made cardinal by Pope Paul VI.