Tekun Antarctic wani ruwa ne da ke kewaye da Antarctica kuma yana yawanci kudu da Da'irar Antarctic. Ana kuma san shi da Tekun Kudu kuma shine teku na biyar mafi girma a duniya. Sunan "Antarctic" ya fito ne daga kalmar Helenanci "antarktikos," ma'ana "kishiyar bear," wanda ke nufin gaskiyar cewa yana kusa da Tekun Arctic.
