Corsican ( Corsu or Lingua Corsa ) is a Romance language spoken on the island of Corsica ( France ) , together with French , which is the official language . A language like Corsican is also spoken to some cities in Italy , as : Sassari and in the Gallura area of Sardinia . Corsican ( or ) is a Romance language spoken and written on the islands of Corsica ( France ) and northern Sardinia ( Italy ) .