Boussens (French pronunciation: [busɛ̃s]; Occitan: Bossens) is a commune in the Haute-Garonne department in southwestern France.

The commune is bordered by four other communes: Martres-Tolosane to the north, Le Fréchet to the northwest, Mancioux to the southwest, and finally by Roquefort-sur-Garonne across the river Garonne to the east.

The river Garonne flows through the commune, forming a border with Roquefort-sur-Garonne.

Bouseens is twinned with Boussens in Switzerland, and these two villages has similar name, and become a sister city in 1987.

Boussens station has rail connections to Toulouse, Pau and Tarbes.