Charles Langelier (23 August 1850 – 7 February 1920) was a Canadian lawyer, politician, judge, journalist, and author.

Born in Sainte-Rosalie, Lower Canada, the son of Louis-Sébastien Langelier and Julie-Esther Casault, Langelier attended the Séminaire de Saint-Hyacinthe, the Petit Séminaire de Québec, and Université Laval.

He was also defeated when he ran for a seat in the House of Commons of Canada in the electoral district of Montmorency in the 1882 election.

A Liberal, he resigned in 1890 to return to Quebec politics and was appointed president of the Executive Council.

From 1883 to 1886, he was the co-owner and co-editor of L'Électeur, one of the first Liberal newspapers published in Quebec.He also wrote the following works: Éloge de l'agriculture (1891), Lord Russel de Killowen à Québec (1896), John Buckworth Parkin, avocat et conseil de la reine (1897), Souvenirs politiques de 1878 à 1890, récits, études et portraits (1909), la Confédération, sa genèse, son établissement (1916) and La Procédure criminelle d'après le code et la jurisprudence (1916).