Marie Ludovika Wilhelmine (or Louise), Royal Princess of Bavaria (August 30, 1808 - January 25, 1892) was the sixth child of King Maximilian I of Bavaria and his second wife, Catharine of Baden.

She was born and died in Munich.

Ludovica married Duke Maximilian Joseph of Bavaria (October 4, 1808 - November 15, 1888), who was also her cousin, on September 9, 1828, in Tegernsee . They had nine children:

• Ludwig Wilhelm Duke in Bavaria ("Louis") (June 21, 1831 - November 6, 1920)
• Wilhelm Karl Duke in Bavaria (December 24, 1832 - February 13, 1833)
• Caroline Therese Helene Duchess in Bavaria ("Nene") (April 4, 1834 - May 16, 1890), who married Maximilian Anton Lamoral Hereditary Prince von Thurn und Taxis
  • They had four children, including Elisabeth, who married Miguel II, Duke of Braganza
• Elisabeth of Bavaria ("Sisi") (1837-1898), who married Franz Josef of Austria and became the empress of Austria and queen of Hungary
• Karl Teodor "Gackl" (1839-1909), who married Maria Josepha de Bragança of Portugal in 1874
  • They had two children: Elisabeth (1876-1965) and Maria Gabriele (1878-1912). Elisabeth became the Belgian queen after marrying Prince Albert.
• Marie Sophie Amalie Duchess in Bavaria (October 4, 1841 - January 19, 1925)
• Mathilde Ludovika Duchess in Bavaria (September 30, 1843 - June 18, 1925)
• Sophie Charlotte Augustine Duchess in Bavaria (1847-1897), who was for a time engaged to Ludwig II of Bavaria, and later married Ferdinand Philippe Marie, duc d'Alençon (1844-1910), son of Louis Charles Philippe Raphael, duc de Nemours
• Maximilian Emanuel Duke in Bavaria (December 7, 1849 - June 12, 1893)