| Gaillac-Toulza | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gaillac-Toulza (Haute-Garonne).svg |
| Arrondissement: | Muret |
| Canton: | Auterive |
| Insee: | 31206 |
| Postal Code: | 31550 |
| Mayor: | Hubert Mesplié[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.2556°N 1.4717°W |
| Elevation M: | 225 |
| Elevation Min M: | 206 |
| Elevation Max M: | 360 |
| Area Km2: | 40.4 |
Gaillac-Toulza (in French pronounced as /ɡajak tulza/; Occitan (post 1500);: Galhac Tolzan) is a commune in the Haute-Garonne department in southwestern France.
The commune is bordered by eleven other communes, four of them is in Haute-Garonne, and seven of them is in Ariège: Caujac to the north, Cintegabelle to the northeast, Esperce to the northwest, and finally by the department of Ariège by the communes of Saint-Quirc to the northwest, Lissac and Labatut to the east, Canté to the east, Villeneuve-du-Latou to the southwest, Saint-Ybars to the west, and finally by Lézat-sur-Lèze to the northwest.