Claude-Henri Plantier (1813–1875) was the Catholic Bishop of Nîmes from 1855. He was strongly Ultramontanist and anti-Protestant
He was an important figure in the debates on papal infallibility, with Louis Pie, Bishop of Poitiers, leading up to and at Vatican I. Some of his comments brought a reaction from Bismarck.
He was also an opponent of bullfighting, publishing a pastoral letter hostile to it in 1863.