| Type: | canton |
| Saint-Symphorien-de-Lay | |
| Seat: | Saint-Symphorien-de-Lay |
| Nbcomm: | 16 |
| Insee: | 42 32 |
| Pop: | 13641 |
| Population As Of: | 2012 |
| Area: | 251.59 |
| Disbanded: | 2015 |
The canton of Saint-Symphorien-de-Lay is a French former administrative division located in the department of Loire and the Rhône-Alpes region. It was disbanded following the French canton reorganisation which came into effect in March 2015. It had 13,641 inhabitants (2012).[1]
The canton comprised the following communes:[1]