Ermengol in Catalan, Armengol or Armengod in Spanish, Ermengaud in French, Ermengau in Occitan, and Hermengaudius in Latin is a Germanic given name of Gothic origin meaning "ready for battle". The name was Arabised during the Middle Ages as أرمقند, Armaqand.
Ermengol of Rouergue Saint Ermengol Ermengol I Ermengol II Ermengol III Ermengol IV Ermengol V Ermengol VI Ermengol VII Ermengol VIII Ermengol IX Ermengol X Armengaud Blaise (died 1312), a physician, translator and an author Ermengol Graus
It was also the surname of a late medieval family of the Languedoc: Matfre Ermengau Peire Ermengau