The languages of Metropolitan France include:

* Indo-European languages
o Romance languages:
+ Oïl language family:
# Bourguignon-Morvandiau
# Champenois or Campanois.
# Franc-Comtois.
# French.
# Gallo.
# Lorrain.
# Normand.
# Picard.
# Poitevin-Saintongeais.
# Walloon.
# Francilien.
+ Occitan language (also Lenga d'òc, Langue d'oc):
# Vivaroalpenc.
# Auvergnat.
# Gascon.
* Béarnese (Béarnais).
* Landese (Landais).
# Languedocien.
# Limousin.
# Nissart (Niçois or Niçart).
# Provençal.
+ Arpitan:
# Bressan.
# Dauphinois.
# Forèzien.
# Jurassien.
# Lyonnais.
# Savoyard.
+ Corsican (Corsu).
+ Ligurian language.
+ Catalan (Northern Catalan).
o Germanic languages:
+ Alsatian (Elsässerdeutsch).
+ French Flemish: West Flemish dialect of Dutch.
+ Lorraine Franconian aka Lothringen.
o Celtic language:
+ Breton aka Brezhoneg.
* Language isolate:
o Basque aka Euskara.