Beatrix of Baden (22 January 1492 – 4 April 1535) was a margravine (wife of a margrave) of Baden by birth and by marriage and a Countess Palatine of Simmern.

She was a daughter of Christoph I, Margrave of Baden and Ottilie of Katzenelnbogen.

In 1508 she married the Count Palatine Johann II of Simmern (born: 21 March 1492; died: 18 May 1557).

With him she had twelve children: