Marie de Namur

Marie de Namur (1322 – before 1353) was a daughter of John I, Marquis of Namur, and Marie of Artois, and a sister of Blanche of Namur, queen of Sweden.

In 1335 or 1336 she married Count Henry II of Vianden, who was murdered at Famagusta in September 1337; their daughter Maria inherited Vianden and married Simon III of Sponheim. In 1340 Marie married Theobald of Bar, lord of Pierrepont, by whom she had two more daughters, Yolande and Elisabeth.