Saint-Georges-de-Didonne () is a commune in the Charente-Maritime department and Nouvelle-Aquitaine region in southwestern France.
An important seaside resort of Royan and the coast of Beauty, on the right bank of the mouth of the Gironde estuary and adjacent Atlantic Ocean, Saint-Georges-de-Didonne is a major economic and tourist center of the Royan urban area, of which it is now becoming a residential suburb. It hosts over 50,000 people during the summer season.