| Le Grand-Madieu | |
| Commune Status: | Commune |
| Arrondissement: | Confolens |
| Canton: | Charente-Bonnieure |
| Insee: | 16157 |
| Postal Code: | 16450 |
| Mayor: | Jean-Claude Mesnier[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.9408°N 0.4456°W |
| Elevation M: | 169 |
| Elevation Min M: | 124 |
| Elevation Max M: | 191 |
| Area Km2: | 8.4 |
Le Grand-Madieu (in French pronounced as /lə ɡʁɑ̃ madjø/; Occitan (post 1500);: Lo Grand Mas Diu) is a commune in the Charente department in southwestern France.