Mechthild of Bavaria (12 July 1532 - 2 November 1565 in Baden-Baden) was a German noblewoman. She was the daughter of William IV, Duke of Bavaria and his wife Marie. She was buried in the Stiftskirche at Baden-Baden.
On 17 January 1557 she married Philibert, Margrave of Baden-Baden, and they had the following children:
Mechthild is a German form of Matilde.[1]