| Layrac-sur-Tarn | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Layrac-sur-Tarn (Haute-Garonne).svg |
| Arrondissement: | Toulouse |
| Canton: | Villemur-sur-Tarn |
| Insee: | 31288 |
| Postal Code: | 31340 |
| Mayor: | Thierry Astruc[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val'Aïgo |
| Coordinates: | 43.835°N 1.5561°W |
| Elevation M: | 104 |
| Elevation Min M: | 86 |
| Elevation Max M: | 223 |
| Area Km2: | 7.25 |
Layrac-sur-Tarn (in French pronounced as /lɛʁak syʁ taʁn/, literally Layrac on Tarn; Occitan (post 1500);: label=[[Languedocien dialect|Languedocien]]|Lairac de Tarn) is a commune in the Haute-Garonne department in southwestern France.