Princess Friederike Caroline Luise of Hesse-Darmstadt (20 August 1752 – 22 May 1782) was a member of the House of Hesse and by marriage a Duchess of Mecklenburg-Strelitz.
She is the direct most recent common matrilineal ancestress (through women only) of Queen Margarethe II of Denmark, King Willem-Alexander of the Netherlands, King Albert II of Belgium, King Harald V of Norway, and Grand Duke Henri of Luxembourg.