| Margravine Sophie Christine | |
| Full Name: | de|Sophie Christine Luise |
| Hereditary Princess of Thurn and Taxis | |
| Spouse: | Alexander Ferdinand, 3rd Prince of Thurn and Taxis |
| Issue: | Princess Sophie Christine Karl Anselm, 4th Prince of Thurn and Taxis Princess Luise Auguste Charlotte Prince Friedrich August Prince Ludwig Franz |
| House: | Hohenzollern |
| Father: | George Frederick Charles, Margrave of Brandenburg-Bayreuth |
| Mother: | Princess Dorothea of Schleswig-Holstein-Sonderburg-Beck |
| Birth Date: | 4 January 1710 |
| Birth Place: | Schloss Weferlingen, Weferlingen |
| Death Place: | Brussels, Austrian Netherlands |
Margravine Sophie Christine Louise of Brandenburg-Bayreuth (in German: Sophie Christine Luise, Markgräfin von Brandenburg-Bayreuth; 4 January 1710 – 13 June 1739) was a member of the Brandenburg-Bayreuth line of the House of Hohenzollern and a Margravine of Brandenburg-Bayreuth by birth. Through her marriage to Alexander Ferdinand, 3rd Prince of Thurn and Taxis, Sophie Christine was also a member of the Princely House of Thurn and Taxis and Hereditary Princess of Thurn and Taxis.
Sophie Christine was the eldest child and daughter of George Frederick Charles, Margrave of Brandenburg-Bayreuth and his first wife Princess Dorothea of Schleswig-Holstein-Sonderburg-Beck.
Sophie Christine married Alexander Ferdinand, Hereditary Prince of Thurn and Taxis, the eldest child and only son of Anselm Franz, 2nd Prince of Thurn and Taxis and his wife Maria Ludovika Anna Franziska, Princess of Lobkowicz, on 11 April 1731 in Frankfurt am Main. Sophie Christine and Alexander Ferdinand had five children:
∞ 3 September 1753 Duchess Auguste of Württemberg (30 October 1734-4 June 1787)
∞ 1787 Elisabeth Hildebrand, Frau von Train