Marie of Artois (1291-1365) was the margravine of Namur in 1310-1330 by marriage to John I. She was the regent of Namur during the minority of her son William I in 1337-1340.
- Occupation
- sovereign
- Citizenship
- Duchy of Brittany
- Born
- 1291
- Died
- 1365, January 22, 1365