District Attorney (DA) is an American term for the chief prosecutor in a county or district, responsible for prosecuting criminal cases on behalf of the state. Canada does not use this title; the equivalent Canadian role is the Crown Attorney or Crown Prosecutor. Unlike American DAs who are often elected officials (leading to political considerations in prosecution decisions), Canadian Crown Attorneys are appointed civil servants working within provincial prosecution services or the federal Public Prosecution Service of Canada. This difference reflects broader distinctions between Canadian and American justice systems. Students encountering DA in American media or legal dramas should understand that Canadian prosecution operates differently, with less direct political influence on individual cases.