| Type: | canton |
| Sains-Richaumont | |
| Seat: | Sains-Richaumont |
| Nbcomm: | 19 |
| Insee: | 02 27 |
| Pop: | 4450 |
| Population As Of: | 2012 |
| Area: | 171.88 |
| Disbanded: | 2015 |
The canton of Sains-Richaumont is a former administrative division in northern France. It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 19 communes, which joined the canton of Marle in 2015.[1] It had 4,450 inhabitants (2012).[2]
The canton comprised the following communes:[2]