Ancenis-Saint-Géréon (French pronunciation: [ɑ̃sni sɛ̃ ʒeʁeɔ̃] ⓘ; Gallo: Anceniz or Aunçni, Breton: Ankiniz-Sant-Gerent) is a commune in the department of Loire-Atlantique.

It was established on 1 January 2019 from the amalgamation of the communes of Ancenis and Saint-Géréon.

[3] Chandamour is a cheese of Ancenis.