The canton of Gergy is an administrative division of the Saône-et-Loire department, eastern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Gergy.

It consists of the following communes:

  1. Allerey-sur-Saône
  2. Bey
  3. Les Bordes
  4. Bragny-sur-Saône
  5. Charnay-lès-Chalon
  6. Clux-Villeneuve
  7. Damerey
  8. Demigny
  9. Écuelles
  10. Gergy
  11. Lessard-le-National
  12. Longepierre
  13. Mont-lès-Seurre
  14. Navilly
  15. Palleau
  16. Pontoux
  17. Saint-Didier-en-Bresse
  18. Saint-Gervais-en-Vallière
  19. Saint-Loup-Géanges
  20. Saint-Martin-en-Gâtinois
  21. Saint-Maurice-en-Rivière
  22. Sassenay
  23. Saunières
  24. Sermesse
  25. Toutenant
  26. Verdun-Ciel
  27. Verjux

46°53′N 4°57′E/46.88°N 4.95°E/ 46.88; 4.95