Princess Clémentine of Orléans (French: Marie Clémentine Léopoldine Caroline Clotilde d'Orléans) (6 March 1817 – 16 February 1907), princess of Saxe-Coburg and Gotha and duchess in Saxony, was the sixth child of ten and youngest daughter of Louis-Philippe I, King of the French, and his wife Maria Amalia of the Two Sicilies.
She was the mother of Ferdinand I, Tsar of Bulgaria.