The canton of Château-Landon is a French former administrative division, located in the arrondissement of Fontainebleau, in the Seine-et-Marne département (Île-de-France région). It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 15 communes, which joined the canton of Nemours in 2015.

Historical population

Year	Pop.	±%
1999	13,700	—
2006	14,055	+2.6%
2012	14,240	+1.3%

The canton of Château-Landon was composed of 15 communes:

• Cantons of the Seine-et-Marne department
• Communes of the Seine-et-Marne department

48°09′01″N 2°42′09″E / 48.15028°N 2.70250°E / 48.15028; 2.70250