Antoine Chartier de Lotbinière Harwood (April 23, 1825 – August 6, 1891) was a Quebec lawyer and political figure.

He was coseigneur of Vaudreuil, inherited by his mother, Marie-Louise-Josephte Chartier de Lotbinière.

He served as secretary for the Vaudreuil Railway Company which his father had helped establish.

His brothers, Henry Stanislas and Robert William, were members of the Canadian House of Commons.

He was a first cousin of Sir Henri-Gustave Joly de Lotbinière, Prime Minister of Quebec and Lieutenant Governor of British Columbia.