Christiane of Saxe-Merseburg (1 June 1659 – 13 March 1679), was a German noblewoman member of the House of Wettin and by marriage Duchess of Saxe-Gotha-Altenburg.

Born in Merseburg, she was a child of Christian I, Duke of Saxe-Merseburg and his wife Christiana of Schleswig-Holstein-Sonderburg-Glücksburg.

The couple settled in Eisenberg at the Christianburg Castle.

[1] Two years later, on 4 March 1679, she gave birth to a daughter, named Christiane after her and later wife of Philip Ernst, Duke of Schleswig-Holstein-Glücksburg;[citation needed] however, nine days later (13 March) she died of childbirth complications aged 19, probably from puerperal fever.

[citation needed] In her honour, her husband build the Castle church of St. Trinity (German: Schlosskirche St. Trinitatis) in the Christianburg Castle.