Aldetrude (died c. 696,[1] or 526[2]) was a Christian saint and from 684 was abbess of Maubeuge Abbey in the County of Hainault, now in northern France.

[5] Her siblings were Saint Landericus, a Roman Catholic Bishop of Metz; Saint Dentelin who died very young; and Saint Madelberta, who was also abbess of Maubeuge.

[4][6] Her aunt Aldegonde, her mother's sister, was the first abbess of Maubeuge; Aldetrude was sent into her care as a girl and then succeeded her, and her sister Madelberte was the third abbess.

The exact year of her death is unknown though some sources say c. 696, and she is said to have lived to an advanced age.

[6] In The Book of Saints: A Comprehensive Biographical Dictionary (2015), "edited ... on behalf of the Benedictine Monks of St. Augustine's Abbey, Chilworth" it is stated that "Her extant biography is unreliable" and "The revised Roman Martyrology has her 170 years earlier", giving a death date of 526.