Princess Marie Adelheid Amalie Clotilde of Saxe-Coburg and Gotha, German: Marie Adelheid Amalie Clotilde, Prinzessin von Sachsen-Coburg und Gotha, Herzogin zu Sachsen (8 July 1846, Neuilly-sur-Seine, Île-de-France, Kingdom of France – 3 June 1927, Alcsút, Hungary) was a Princess of Saxe-Coburg and Gotha by birth and an Archduchess of Austria through her marriage to Archduke Joseph Karl, Palatine of Hungary.

Clotilde was the third child and eldest daughter of Prince August of Saxe-Coburg and Gotha and his wife Princess Clémentine of Orléans.

Her youngest brother was Ferdinand I of Bulgaria and her paternal uncle was Ferdinand II of Portugal.

Clotilde married Archduke Joseph Karl, Palatine of Hungary, second son of Archduke Joseph, Palatine of Hungary and his wife Duchess Maria Dorothea of Württemberg, on 12 May 1864 in Coburg.

Clotilde and Joseph Karl had seven children: