San Dionisio is the Spanish-language version of Saint Dionysius. It may refer to:
Places edit
El Salvador edit
Mexico edit
- San Dionisio del Mar, Oaxaca
- San Dionisio Ocotepec, Oaxaca
- San Dionisio Ocotlan, Oaxaca
Nicaragua edit
Philippines edit
United States edit
- Redoubt San Dionisio, a fortification in Russian America, near today's Wrangell, Alaska