The canton of Saint-Bonnet-le-Château is a French former administrative division located in the department of Loire and the Rhone-Alpes region.

It was disbanded following the French canton reorganisation which came into effect in March 2015.

It consisted of 11 communes,[1] which joined the canton of Saint-Just-Saint-Rambert in 2015.

[1] The canton comprised the following communes:[1]

This Loire geographical article is a stub.