Nicolas Isouard was a Maltese composer. Isouard studied in Rabat or Mdina with Francesco Azopardi, in Palermo with Giuseppe Amendola, and in Naples with Nicola Sala and Pietro Alessandro Guglielmi. From 1795 he was organist at St. John de Gerusalemme in Valletta at the Conventual Church of the Order of Saint John, San Giovanni di Malta.