Charles Alphonse Pantaléon Pelletier, KCMG PC (January 22, 1837 – April 29, 1911) was a Canadian lawyer, militia officer, politician, publisher, judge, and the ninth Lieutenant Governor of Quebec.

He married Suzanne, the daughter of lawyer Charles-Eusèbe Casgrain in 1861; his wife died during childbirth the following year.

In 1866, he married Eugénie, the daughter of Marc-Pascal de Sales Laterrière, a doctor and seigneur.

He was elected as a Liberal to the House of Commons of Canada representing the riding of Kamouraska, Quebec in a by-election held in 1869.

He was also elected to represent Québec-Est in the Legislative Assembly of Quebec in an 1873 by-election; he resigned this seat in 1874 when the dual mandate became illegal.