| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sacarita Sapuenya | city | Ucayali | Peru | -8.82 | -74.48 | 830 | 149 |
| Sampaya | city | Ucayali | Peru | -9.55 | -74.23 | 830 | 149 |
| San Antonio | city | Ucayali | Peru | -8.20 | -74.60 | 830 | 9368 |
| San Antonio Viejo | city | Ucayali | Peru | -8.17 | -74.62 | 830 | 4723 |
| San Francisco | city | Ucayali | Peru | -10.64 | -73.83 | 951 | 149 |
| San Gregorio | city | Ucayali | Peru | -9.93 | -73.23 | 1669 | 149 |
| San Isidro | city | Ucayali | Peru | -8.40 | -74.52 | 830 | 708 |
| San Jose | city | Ucayali | Peru | -10.74 | -73.65 | 938 | 149 |
| San José | city | Ucayali | Peru | -8.71 | -74.04 | 830 | 149 |
| San José | city | Ucayali | Peru | -8.57 | -74.18 | 830 | 360 |
| San Juan | city | Ucayali | Peru | -8.51 | -74.41 | 830 | 2086 |
| San Juan | city | Ucayali | Peru | -9.74 | -70.70 | 856 | 0 |
| San Lorenzo | city | Ucayali | Peru | -8.53 | -74.42 | 830 | 2042 |
| San Luis | city | Ucayali | Peru | -9.43 | -74.32 | 830 | 149 |
| San Luis | city | Ucayali | Peru | -8.40 | -74.60 | 830 | 3493 |
| San Marcos | city | Ucayali | Peru | -8.09 | -74.63 | 830 | 2035 |
| San Martin de Porres | city | Ucayali | Peru | -8.40 | -74.57 | 830 | 1004 |
| San Miguel Agua Blanca | city | Ucayali | Peru | -8.71 | -74.01 | 830 | 149 |
| San Pablo | city | Ucayali | Peru | -11.28 | -72.99 | 974 | 230 |
| San Pablo | city | Ucayali | Peru | -10.66 | -73.83 | 941 | 149 |
| San Pedro | city | Ucayali | Peru | -11.16 | -73.04 | 974 | 0 |
| San Pedro | city | Ucayali | Peru | -8.12 | -74.64 | 830 | 3777 |
| San Pedro | city | Ucayali | Peru | -10.33 | -71.12 | 948 | 0 |
| San Pedro | city | Ucayali | Peru | -8.71 | -74.08 | 830 | 149 |
| San Pedro | city | Ucayali | Peru | -10.60 | -73.07 | 1669 | 149 |
| San Pedro de Huayhuante | city | Ucayali | Peru | -9.15 | -75.79 | 3349 | 1628 |
| Santa Clara | city | Ucayali | Peru | -10.73 | -73.61 | 948 | 149 |
| Santa Cruz | city | Ucayali | Peru | -10.27 | -71.12 | 974 | 0 |
| Santa Elena | city | Ucayali | Peru | -11.15 | -73.06 | 974 | 0 |
| Santa Fe | city | Ucayali | Peru | -8.74 | -74.05 | 830 | 149 |
| Santa Lucia | city | Ucayali | Peru | -9.55 | -70.62 | 830 | 0 |
| Santa María | city | Ucayali | Peru | -8.58 | -74.38 | 830 | 927 |
| Santa Rasa | city | Ucayali | Peru | -10.68 | -73.81 | 941 | 149 |
| Santa Rita de los Conibos | city | Ucayali | Peru | -8.80 | -74.57 | 830 | 474 |
| Santa Rosa | city | Ucayali | Peru | -9.43 | -70.49 | 830 | 0 |
| Santa Rosa | city | Ucayali | Peru | -8.41 | -73.95 | 830 | 2086 |
| Santa Rosa | city | Ucayali | Peru | -8.57 | -74.37 | 830 | 1023 |
| Santa Rosa | city | Ucayali | Peru | -8.74 | -75.48 | 1669 | 745 |
| Santa Rosa | city | Ucayali | Peru | -8.82 | -74.57 | 830 | 381 |
| Santa Rosa | city | Ucayali | Peru | -10.68 | -73.81 | 941 | 149 |
| Santa Rosa de Dinamarca | city | Ucayali | Peru | -8.69 | -74.41 | 830 | 149 |
| Santa Rosita | city | Ucayali | Peru | -8.51 | -74.18 | 830 | 1112 |
| Sapam | city | Ucayali | Peru | -10.66 | -73.84 | 931 | 149 |
| Sapani | city | Ucayali | Peru | -10.66 | -73.84 | 931 | 149 |
| Sapani Centro | city | Ucayali | Peru | -10.69 | -73.86 | 958 | 149 |
| Sargento Lores | city | Ucayali | Peru | -8.43 | -73.97 | 830 | 2086 |
| Selva Alegre | city | Ucayali | Peru | -10.60 | -73.86 | 954 | 149 |
| Sepahua | city | Ucayali | Peru | -11.14 | -73.04 | 977 | 0 |
| Señor de Los Milagros | city | Ucayali | Peru | -8.79 | -74.21 | 830 | 149 |
| Shambuyacu | city | Ucayali | Peru | -11.10 | -73.07 | 974 | 0 |
| Shampaya | city | Ucayali | Peru | -9.55 | -74.23 | 830 | 149 |
| Shaneaca Paboro | city | Ucayali | Peru | -8.81 | -74.38 | 830 | 149 |
| Shebonya | city | Ucayali | Peru | -9.98 | -74.13 | 895 | 149 |
| Sheboya | city | Ucayali | Peru | -9.98 | -74.13 | 895 | 149 |
| Shepahua | city | Ucayali | Peru | -11.14 | -73.04 | 977 | 0 |
| Sinchoco | city | Ucayali | Peru | -9.03 | -75.78 | 2660 | 745 |
| Soledad | city | Ucayali | Peru | -10.67 | -73.76 | 958 | 149 |