| Le Bignon | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Bignon (Loire-Atlantique).svg |
| Arrondissement: | Nantes |
| Canton: | Saint-Philbert-de-Grand-Lieu |
| Insee: | 44014 |
| Postal Code: | 44140 |
| Mayor: | Serge Hégron[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Lieu |
| Coordinates: | 47.0992°N -1.4894°W |
| Elevation Min M: | 3 |
| Elevation Max M: | 58 |
| Area Km2: | 27.54 |
Le Bignon (in French pronounced as /lə biɲɔ̃/; Gallo: Le Binyon, Breton: Ar Bignon) is a commune in the Loire-Atlantique department in western France.