Saint-Jean (French pronunciation: [sɛ̃ ʒɑ̃] ⓘ; Languedocien: Sent Joan le Vièlh) is a commune in the Haute-Garonne department in southwestern France.

It is located northeast of Toulouse on the N88 or road of Albi (exit 14 on the peripheral).

The inhabitants of the commune are known as Saint-Jeannais.

One of the commune's main points of interest is its historic church.

This Haute-Garonne geographical article is a stub.