| Consort: | yes |
| Sophie Charlotte of Brandenburg-Bayreuth | |
| Full Name: | Sophie Charlotte Albertine |
| Reign: | 1734–1747 |
| Succession1: | Duchess consort of Saxe-Eisenach |
| Reign1: | 1741–1747 |
| Spouse: | Ernest Augustus I, Duke of Saxe-Weimar-Eisenach |
| Issue: | Karl August Eugen, Hereditary Prince of Saxe-Weimar Ernest Augustus II, Duke of Saxe-Weimar-Eisenach Princess Eleonore Christiane Princess Johanna Auguste Ernestine, Duchess of Saxe-Hildburghausen Prince Ernst Adolf |
| House: | House of Hohenzollern |
| Father: | George Frederick Charles, Margrave of Brandenburg-Bayreuth |
| Mother: | Dorothea of Schleswig-Holstein-Sonderburg-Beck |
| Birth Date: | 27 July 1713 |
| Birth Place: | Weferlingen |
| Death Place: | Ilmenau |
Princess Sophie Charlotte of Brandenburg-Bayreuth (Sophie Charlotte Albertine; 27 July 1713 – 2 March 1747), was a German noblewoman member of the House of Hohenzollern and by marriage Duchess of Saxe-Weimar and Saxe-Eisenach.
Born in Weferlingen, she was the fourth of five children born from the marriage of George Frederick Charles, Margrave of Brandenburg-Bayreuth and Princess Dorothea of Schleswig-Holstein-Sonderburg-Beck.[1] In 1716 her mother was convicted of adultery and imprisoned; she probably never saw her again.
In Bayreuth on 7 April 1734, Sophie Charlotte married Ernest Augustus I, Duke of Saxe-Weimar as his second wife. They had four children:
On 26 July 1741 she also became the Duchess consort of Saxe-Eisenach after her husband inherited that land.
Sophie Charlotte died in Ilmenau aged 33. She was buried there.
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