| Germs-sur-l'Oussouet | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Germs-sur-l'Oussouet (65).svg |
| Arrondissement: | Argelès-Gazost |
| Canton: | Lourdes-2 |
| Insee: | 65200 |
| Postal Code: | 65200 |
| Mayor: | Serge Bourdette[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Tarbes-Lourdes-Pyrénées |
| Coordinates: | 43.0522°N 0.0586°W |
| Elevation M: | 800 |
| Elevation Min M: | 555 |
| Elevation Max M: | 1499 |
| Area Km2: | 12.96 |
Germs-sur-l'Oussouet (in French pronounced as /ʒɛʁm syʁ luswɛ/; Occitan (post 1500);: Gèrms) is a commune in the Hautes-Pyrénées department in south-western France.