安卡什区（西班牙语：Ancash）是秘鲁北部的一个行政区，首府瓦拉斯，最大城市则为钦博特。该区北接拉利伯塔德区，东邻瓦努科区和帕斯科区，南连利马区，西濒太平洋。安卡什区区名源于克丘亚语“anqash”一词，意为“蓝”。

Ancash (Quechua:Anqash) (Spanish:Áncash Spanish pronunciation: [ˈaŋkaʃ]) is a region of northern Peru. It is bordered by La Libertad Region on the north, Huánuco and Pasco regions on the east, the Lima Region on the south, and the Pacific Ocean on the west. Its capital is the city of Huaraz (Waras), and its largest city and port is Chimbote. The name of the region originates from the Quechua word anqash (light, of little weight), from anqas (blue) or from anka (eagle).