Margravine Philippine Auguste Amalie of Brandenburg-Schwedt (10 October 1745 – 1 May 1800) was a Landgravine consort of Hesse-Kassel by marriage to Frederick II, Landgrave of Hesse-Cassel.

Philippine was one of five children born to Margrave Frederick William of Brandenburg-Schwedt and his wife Princess Sophia Dorothea of Prussia.

[1] Her siblings included Friederike Dorothea, Duchess of Württemberg and Elisabeth Louise, Princess of Prussia.

[2] On 10 January 1773, Philippine married Frederick II, Landgrave of Hesse-Kassel, who was 25 years older, in Berlin.

King Frederick William II donated a modern palace to her (Behrenstraße 66).