Antucoya

{{Infobox mine

| name = Antucoya

| image =

| width =

| caption =

| pushpin_map = Chile

| pushpin_label =

| pushpin_map_caption =

| coordinates = {{coord|22|38|2.35|S|69|52|35.34|W|source:wikidata|display=title,inline}}

| place = Border between Maria Elena and Mejillones

| subdivision_type = Region

| state/province = Antofagasta Region

| country = Chile

| owner = Antofagasta Minerals (70%)
Marubeni Copper Holdings Limited (30%)

| official website = web.antucoya.cl/

| discovery year =

| products = Copper

| financial year = 2023

| amount = 77,800 tonnes copper cathode

| opening year =

| closing year =

}}

Antucoya is an open pit copper mine located in the Atacama Desert of northern Chile. More precisely it lies straddling the borders of the communes of Maria Elena and Mejillones in Antofagasta Region.{{Cite web |title=Antucoya |url=https://consejominero.cl/nosotros/mapa-minero/antucoya/ |website=Consejo Minero|access-date=2025-05-09|language=Spanish}} As of 2023 it employed on average 2,661 workers, including contractors. It lies about 125 km northeast of the port city of Antofagasta.{{Cite web |title=Antucoya |url=https://www.antofagasta.co.uk/our-business/mining-division/antucoya/ |access-date=2025-05-19 |website=Antofagasta PLC}} The ore mined in Antucoya consists of copper oxides which are processed using solvent extraction and electrowinning (SX-EW). The final prime product of the mine is copper cathode.