| La Haie-Fouassière | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr La Haye-Fouassière (Loire-Atlantique).svg |
| Arrondissement: | Nantes |
| Canton: | Vertou |
| Insee: | 44070 |
| Postal Code: | 44690 |
| Mayor: | Vincent Magré[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Clisson Sèvre et Maine Agglo |
| Coordinates: | 47.1564°N -1.3981°W |
| Elevation Min M: | 2 |
| Elevation Max M: | 62 |
| Area Km2: | 11.81 |
La Haie-Fouassière (also spelled: La Haye-Fouassière, in French pronounced as /la ɛ fwasjɛʁ/; Gallo: La Haè-Fóacierr, Breton: An Hae-Foazer) is a commune in the Loire-Atlantique department in western France. La Haie-Fouassière station has rail connections to Clisson and Nantes.