Events from the year 1703 in Canada.
Incumbents
- French Monarch: Louis XIV
- English, Scottish and Irish Monarch: Anne
Governors
- Governor General of New France: Louis-Hector de Callière
- Governor of Acadia: Jacques-François de Monbeton de Brouillan
- Colonial Governor of Louisiana: Jean-Baptiste Le Moyne de Bienville
- Governor of Plaisance: Daniel d'Auger de Subercase
Events
- May 26 - Louis-Hector de Callière, Governor General of New France, dies in office.
- May 27 - Philippe de Rigaud Vaudreuil becomes Governor General of New France.
Births
- June 6 - Louis de la Corne, Chevalier de la Corne, explorer (died 1761).
Deaths
- May 26 - Louis-Hector de Callière, Governor General of New France (born 1648)