The Canton of Châteauneuf-sur-Cher is a former canton situated in the Cher département and in the Centre region of France.

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 Trouy in 2015.

[1] An area of forestry and farming by the banks of the Cher in the northwestern part of the arrondissement of Saint-Amand-Montrond, centred on the town of Châteauneuf-sur-Cher.

The canton comprised 11 communes:[1]