The canton of Neufchâtel-sur-Aisne was an administrative division in northern France.

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

It consisted of 28 communes,[1] which joined the new canton of Villeneuve-sur-Aisne in 2015.

[2] It had 10,209 inhabitants (2012).

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