Pierre Magnin (January 1, 1824 – November 22, 1910) was a French politician of the Second French Empire and French Third Republic. He was born in Dijon, France. He was a member of the Chamber of Deputies of France from 1863 to 1870. He was a member of the National Assembly of 1871 from 1871 to 1875. He was a member of the Senate of France from 1875 until his death. He was governor of the Banque de France from 1881 to 1897. He was minister of agriculture and commerce (September 4, 1870 – February 18, 1871). He was minister of finance (December 28, 1879 – November 13, 1881) in the governments of Charles de Freycinet and Jules Ferry. He died in Paris.