Ermentrude or Ermintrude is a feminine given name of German origin derived from the elements ermen or irmen, meaning "wholeness", and traut or trût, meaning "beloved", or þryþ, meaning "strength". The name Emma evolved as a short form of names such as Ermentrude.

Notable people with the name include: Erminethrudis (died c. 600), a Merovingian-era nun Ermentrude of Orléans (823–869), queen of the Franks by her marriage to Charles the Bald Ermentrude, daughter of Louis the Stammerer (born c. 875/78), wife of Count Eberard of Sulichgau Ermentrude de Roucy (958–1005), countess consort of Burgundy Ermentrude of Maine (d. 1126), Countess of Maine and the Lady of Château-du-Loir Ermyntrude Harvey (1895–1973), British tennis player

Fictional characters Ermintrude, in the television series The Magic Roundabout Ermintrude, in Terry Pratchett's Nation (novel)

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