Saint-Symphorien (French pronunciation: [sɛ̃ sɛ̃fɔʁjɛ̃]; Walloon: Sint-Symforyin) is a sub-municipality of the city of Mons located in the province of Hainaut, Wallonia, Belgium.

It was a separate municipality until 1977.

On 1 January 1977, it was merged into Mons.

[1] The village's military cemetery contains about 500 German and Commonwealth graves from the First World War.

This Hainaut Province location article is a stub.