| Montagoudin | |
| Commune Status: | Commune |
| Arrondissement: | Langon |
| Canton: | Le Réolais et Les Bastides |
| Insee: | 33291 |
| Postal Code: | 33190 |
| Mayor: | Joël Doux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Réolais en Sud Gironde |
| Coordinates: | 44.5783°N 0.0014°W |
| Elevation M: | 150 |
| Elevation Min M: | 14 |
| Elevation Max M: | 111 |
| Area Km2: | 3.34 |
Montagoudin (in French pronounced as /mɔ̃taɡudɛ̃/; Occitan (post 1500);: Montagaudin) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.