The Canton of Nontron is a former canton of the Dordogne département, in France.

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

It consisted of 8 communes, which joined the canton of Périgord Vert Nontronnais in 2015.

[2] The lowest point is 115 m in the commune of Javerlhac-et-la-Chapelle-Saint-Robert, the highest point is in Abjat-sur-Bandiat at 355 m, the average elevation is 197 m. The most populated commune was Nontron with 3,212 inhabitants (2012).

[2] The canton comprised the following communes:[2]