| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4151  | Sauce El Sauce,Sauce,Saucesito | Peru, Piura Sullana Province > Lancones | populated place | S 4° 37′ 10'' | W 80° 31′ 46'' |
| 4152 | Saucepampa Saucapampa Ciudad,Saucepampa,Saucepampa Ciudad | Peru, Piura Huancabamba Province > Sondor | populated place | S 5° 28′ 9'' | W 79° 21′ 4'' |
4153  | Sauce | Peru, Lambayeque | area | S 6° 35′ 0'' | W 80° 14′ 0'' |
| 4154 | Sásape San Juan de Sasape,San Juan de Sásape,Sasape,Sasape Hacienda,Sásape | Peru, Lambayeque Lambayeque Province > Tucume | populated place | S 6° 29′ 14'' | W 79° 54′ 14'' |
| 4155 | Saquena Saquena | Peru, Loreto Requena Province > Saquena | populated place population 4,362 | S 4° 40′ 0'' | W 73° 31′ 0'' |
| 4156 | Sapse Sapce,Sapse,Sapse Ciudad | Peru, Piura Huancabamba Province > Canchaque | populated place population 126 | S 5° 12′ 29'' | W 79° 38′ 1'' |
4157  | Cerro Sapotitos Cerro Sapotito,Cerro Sapotitos | Peru, Tumbes Provincia de Contralmirante Villar > Canoas de Punta Sal | hill | S 4° 5′ 9'' | W 80° 50′ 36'' |
| 4158 | Cerro Santo Toribio Cerro Santo Toribio,Cerro Santo Torribio | Peru, Ancash Pallasca Province > Santa Rosa | mountain | S 8° 35′ 0'' | W 78° 6′ 0'' |
| 4159 | Cerro Santa Rosa Cerro Santa Rosa | Peru, Piura Huancabamba Province > San Miguel De El Faique | mountain elevation 3459m | S 5° 22′ 58'' | W 79° 31′ 51'' |
| 4160 | Santa Rosa de los Etanos Santa Rosa,Santa Rosa de Laguna,Santa Rosa de los Etanos | Peru, La Libertad Chepén Province > Pueblo Nuevo | populated place | S 7° 9′ 9'' | W 79° 35′ 16'' |
| 4161 | Santa Rosa Santa Rosa | Peru, Lambayeque | area | S 6° 58′ 40'' | W 79° 37′ 34'' |
| 4162 | Santa María | Peru, La Libertad Pacasmayo Province | locality | S 7° 22′ 0'' | W 79° 25′ 0'' |
| 4163 | Santa Gertrudis | Peru, La Libertad | area | S 7° 26′ 0'' | W 79° 35′ 0'' |
| 4164 | Hacienda Sante Fe Hacienda Sante Fe,Santa Fe,Santa Fe Hacienda,Santa Fé Hacienda | Peru, La Libertad Pacasmayo Province > Guadalupe | populated place | S 7° 14′ 50'' | W 79° 25′ 30'' |
| 4165 | Santa Clotilde Santa Clotilda,Santa Clotilde,Santa Clotildo | Peru, Loreto Maynas Province > Napo District | populated place | S 2° 29′ 18'' | W 73° 40′ 42'' |
| 4166 | Hacienda Santa Clara Hacienda Santa Clara,Santa Clara,Santa Clara Hacienda | Peru, La Libertad Virú Province > Guadalupito | populated place | S 8° 57′ 23'' | W 78° 37′ 39'' |
| 4167 | Santa Clara Hacienda Santa Clara,Santa Clara,Santa Clara Hacienda | Peru, La Libertad Ascope > Casa Grande | populated place population 489 | S 7° 42′ 10'' | W 79° 13′ 24'' |
| 4168 | Santa Clara | Peru, Lambayeque | area | S 6° 27′ 0'' | W 79° 44′ 0'' |
| 4169 | Santa Ana del Quiroz Hacienda Santa Ana del Quiroz,Santa Ana de Quiroz,Santa Ana de Quiroz Hacienda,Santa Ana del Quiroz | Peru, Piura Ayabaca Province > Suyo | populated place | S 4° 32′ 53'' | W 80° 4′ 45'' |
| 4170 | Hacienda Santa Ana Hacienda Santa Ana,Santa Ana,Santa Ana Hacienda | Peru, Piura Paita Province > La Huaca | populated place | S 4° 54′ 56'' | W 80° 58′ 0'' |
| 4171 | Isla Santa Isla Santa,Isla de Santa,Isla del Santa | Peru, Ancash | island | S 9° 1′ 50'' | W 78° 40′ 33'' |
| 4172 | San Sebastián Hacienda San Sebastian,San Sebastian,San Sebastian Hacienda,San Sebastián | Peru, Piura Ayabaca Province > Suyo | populated place | S 4° 29′ 4'' | W 80° 10′ 59'' |
| 4173 | Cerro San Pedro Cerro San Pedro,Rincon San Pedro | Peru, Piura Ayabaca Province > Frias | mountain | S 4° 53′ 42'' | W 79° 51′ 49'' |
| 4174 | San Pablo  San Pablo | Peru, Cajamarca Department San Pablo Province > San Pablo | seat of a third-order administrative division | S 7° 7′ 0'' | W 78° 50′ 0'' |
| 4175 | Libín de San Pablo Libin de San Pablo,Libín de San Pablo,San Pablo,San Pablo Hacienda | Peru, Piura Ayabaca Province > Pacaipampa | populated place | S 4° 55′ 25'' | W 79° 30′ 38'' |
| 4176 | San Miguel | Peru, Lambayeque | area | S 7° 1′ 17'' | W 79° 39′ 13'' |
| 4177 | San Martín Angosteros,Angoteros,San Martin,San Martín | Peru, Loreto Maynas Province > Torres Causana District | populated place | S 1° 34′ 8'' | W 74° 36′ 39'' |
| 4178 | Isla San Márquez Isla Marquez,Isla Márquez,Isla San Marquez,Isla San Márquez,Isla de San Marquis | Peru, Huánuco Department | island | S 9° 32′ 0'' | W 74° 54′ 0'' |
| 4179 | San Marcos San Marcos | Peru, Cajamarca Department San Marcos Province > Pedro Galvez | seat of a third-order administrative division | S 7° 20′ 0'' | W 78° 11′ 0'' |
| 4180 | San Marcos Numero Uno San Marcos,San Marcos Numero 1,San Marcos Numero Uno | Peru, Lambayeque Chiclayo Province > Lagunas | populated place | S 6° 57′ 39'' | W 79° 37′ 23'' |
| 4181 | San Luis San Luis | Peru, Ancash Carlos Fermín Fitzcarrald Province > San Luis | seat of a third-order administrative division | S 9° 5′ 0'' | W 77° 21′ 0'' |
| 4182 | San Luis | Peru, La Libertad | area | S 8° 26′ 0'' | W 78° 46′ 0'' |
| 4183 | San Juan de la Virgen San Juan,San Juan de la Virgen,San Juan de los Virgenes | Peru, Tumbes Provincia de Tumbes > San Juan de la Virgen | seat of a third-order administrative division population 1,559, elevation 26m | S 3° 37′ 37'' | W 80° 25′ 50'' |
| 4184 | San Juan de Cochero Cochero Hacienda,Cocheros,San Juan,San Juan de Cochero | Peru, Huánuco Department Huánuco Province > Chinchao | populated place | S 9° 30′ 0'' | W 75° 51′ 0'' |
| 4185 | San José Nancho,San Jose,San Jose de Nancho,San José,San José de Nancho | Peru, Cajamarca Department San Miguel Province > Bolivar | populated place population 109 | S 6° 58′ 53'' | W 79° 12′ 40'' |
| 4186 | San José Hacienda San Jose,Hacienda San José,San Jose,San Jose Hacienda,San José,San José Hacienda | Peru, Ancash Provincia de Santa > Nepeña | populated place | S 9° 9′ 22'' | W 78° 19′ 33'' |
| 4187 | San José San Jose,San José | Peru, Lambayeque Chiclayo Province > Jose Leonardo Ortiz | populated place population 7,434 | S 6° 44′ 17'' | W 79° 49′ 39'' |
| 4188 | Sanjón | Peru, Ancash | area | S 9° 34′ 0'' | W 78° 10′ 0'' |
| 4189 | San Joaquín Hacienda Joaquin,Hacienda Joaquín,Hacienda San Joaquin,Hacienda San Joaquín,San Joaquin,San Joaquin ... | Peru, Piura Ayabaca Province > Suyo | populated place population 102 | S 4° 33′ 35'' | W 80° 4′ 9'' |
| 4190 | San Jacinto Hacienda San Jacinto,San Jacinto,San Jacinto Hacienda | Peru, Ancash Provincia de Santa > Nepeña | populated place | S 9° 8′ 50'' | W 78° 16′ 48'' |
| 4191 | San Ignacio Hacienda San Ignacio,San Ignacio,San Ignacio Hacienda | Peru, La Libertad Otuzco Province > Sinsicap | populated place | S 7° 50′ 15'' | W 78° 42′ 15'' |
| 4192 | Sangana Hacienda Sangaha,Hacienda Sangana,Sangaha Hacienda,Sangana | Peru, Cajamarca Department Chota Province > Miracosta | populated place population 206 | S 6° 18′ 18'' | W 79° 17′ 50'' |
| 4193 | San Francísco de Yeso San Francisco de Yeso,San Francisco del Yeso,San Francísco de Yeso,Yeso | Peru, Amazonas Luya Province > San Francisco Del Yeso | populated place | S 6° 39′ 4'' | W 77° 48′ 33'' |
| 4194 | Hacienda San Dionicio Hacienda San Dionicio,San Dionisio,San Dionisio Hacienda | Peru, Ancash Provincia de Santa > Santa | populated place | S 8° 58′ 35'' | W 78° 35′ 52'' |
| 4195 | Sancor Hacienda Sancor,Sancor,Sancor Hacienda | Peru, Piura Morropón Province > Chulucanas | populated place | S 4° 59′ 7'' | W 80° 10′ 0'' |
| 4196 | San Benito | Peru, Cajamarca Department Contumazá Province > San Benito | seat of a third-order administrative division population 546 | S 7° 25′ 30'' | W 78° 55′ 38'' |
| 4197 | San Aurelio | Peru, Lambayeque | area | S 7° 1′ 34'' | W 79° 38′ 57'' |
| 4198 | Cerros San Antonio Cerro San Antonio,Cerros San Antonio | Peru, Piura Ayabaca Province > Ayabaca | mountain elevation 3387m | S 4° 45′ 20'' | W 79° 29′ 0'' |
| 4199 | Cerro San Antonio Cerro San Antonio,Monte Castro | Peru, Tumbes Provincia de Contralmirante Villar > Zorritos | mountain | S 3° 55′ 11'' | W 80° 43′ 40'' |
| 4200 | San Antonio Hacienda San Antonio,San Antonio,San Antonio Hacienda | Peru, Piura Huancabamba Province > San Miguel De El Faique | populated place | S 5° 25′ 16'' | W 79° 35′ 58'' |
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