San Ignacio
San Ignacio (the Spanish language name of St. Ignatius) is a common toponym in parts of the world where that language is or was spoken:
Argentina
- San Ignacio, Argentina, Misiones Province
 - San Ignacio Miní, a Jesuit mission in Misiones Province
 
Belize
- San Ignacio, Belize (Cayo District), towns in western Belize
 
Bolivia
Chile
- San Ignacio, Chile, a town in the Ñuble Region
 
Costa Rica
- San Ignacio District, Acosta, San José Province
 
El Salvador
Honduras
Mexico
- San Ignacio, Baja California Sur
 - San Ignacio, Chihuahua (Práxedis G. Guerrero)
 - San Ignacio, Sinaloa
 - San Ignacio Río Muerto (Sonora)
 - San Ignacio Lagoon
 - San Ignacio Cerro Gordo, Jalisco
 
Northern Mariana Islands
- Former colonial name of Pagan
 
Paraguay
- San Ignacio, Paraguay, a city and district in the Misiones Department
 
Peru
- San Ignacio, Perú
 - San Ignacio District, Peru
 - San Ignacio Province, Cajamarca Region