The canton of Mormant is a French former administrative division, located in the arrondissement of Melun, 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 22 communes,[1] which joined the canton of Nangis in 2015.

[2] The canton of Mormant was composed of 22 communes:[1]

This article related to a Seine-et-Marne location is a stub.