| Riocaud | |
| Commune Status: | Commune |
| Arrondissement: | Libourne |
| Canton: | Le Réolais et Les Bastides |
| Insee: | 33354 |
| Postal Code: | 33220 |
| Mayor: | Marie-Hélène Desrozier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays Foyen |
| Coordinates: | 44.7653°N 0.2089°W |
| Elevation M: | 40 |
| Elevation Min M: | 60 |
| Elevation Max M: | 130 |
| Area Km2: | 3.38 |
Riocaud (in French pronounced as /ʁjɔko/; Occitan (post 1500);: Riucau) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.