| Honorific Prefix: | Saint |
| Madelberte | |
| Honorific Suffix: | of Mauberge |
| Death Date: | 705 or 706 |
| Death Place: | Maubeuge Abbey |
| Feast Day: | 7 September |
| Tradition: | Benedictines |
Saint Madelberte of Maubeuge (or Machtelberthe; died c. 705) was a 7th-century nun related to the Merovingian dynasty.She became abbess of Maubeuge Abbey in the County of Hainaut, now in northern France near the Belgian border. She died in 705 or 706.
Madelberte was the daughter of Saint and Saint Waltrude.Around 697 she succeeded her aunt, Saint Aldegonde, and her sister Saint Aldetrude, as abbess of Maubeuge.Her feast day is 7 September.
The hagiographer Alban Butler wrote in his Lives of the Fathers, Martyrs, and Other Principal Saints (1866),