Ségos (; ) is a commune in the Gers department in southwestern France.
Ségos is a commune located in the Tursan wine region, on the Broussau hill.
The commune borders the Landes department and is close to the Pyrénées-Atlantiques department.
The neighbouring communes are Aire-sur-l'Adour, Lannux, Latrille, Projan and Saint-Agnet.