Dorothea Christina von Aichelberg (alternative spellings: Dorothee, Dorothy, Chritine, Christiane, von Echelberg, von Aichelburg; 23 January 1674 in Plön – 22 June 1762 in Reinfeld) was the spouse of Prince Christian Charles of Schleswig-Holstein-Sonderburg-Plön-Norburg as Frau von Karlstein.
Later, as a widow and mother of Frederick Charles, she stood for many years at the center of a succession dispute.