Sidonie of Poděbrady (Czech: Zdenka z Poděbrad; 11 November 1449 – 1 February 1510) was a duchess consort of Saxony, as the wife of Albert III.

[5] Sidonie's father eventually remarried; his second wife, Johanna of Rožmitál, bore George more children, including Ludmila of Poděbrady.

[2] Sidonie's paternal grandparents were Vítek of Poděbrady and his wife Anna of Vartenberk.

[7] Sidonie followed her husband to Meissen, and the consummation of their marriage took place in May 1464 at Castle Tharandt.

Four months after their marriage, Albert's father died, and he became Duke of Saxony with Sidonie as Duchess consort.