Margaret of Brunswick-Lüneburg, German noble (d. 1643)
Margaret of Brunswick-Lüneburg (6 April 1573 – 7 August 1643), was a German noblewoman member of the House of Welf and by marriage Duchess of Saxe-Coburg.

Born in Celle, she was the ninth of fifteen children born from the marriage of William the Younger, Duke of Brunswick-Lüneburg and Dorothea, Princess of Denmark.