Dyane Adam, CM (born 1953 in Casselman, Ontario) was the Canadian Official Languages Commissioner from 1999 to 2006. She was responsible for promoting bilingualism within the government of Canada. She holds a PhD in psychology from the University of Ottawa and taught at this university, as well as at Glendon College and Laurentian University. After she had led a campaign to preserve bilingualism at York University and Montfort Hospital, then-Prime Minister Jean Chrétien appointed her Official Languages Commissioner.