Pagasti S| Sackenhausen | Hasenpoth | Sakas |
| Sahtingen | Goldingen | Sātiņu |
| Saketygal | Rositten | Sakstagala |
| Salis | Wolmar | Salacas |
| Salisburg | Wolmar | Mazsalacas |
| Sallensee | Illuxt | Salienas |
| Sallgalln | Mitau | Salgales |
| Salwen | Jakobstadt | Zalves |
| Samiten | Tuckum | Zemītes |
| Santen | Tuckum | Zantes |
| Saucken | Jakobstadt | Saukas |
| Saussen | Modohn | Sausnējas |
| Sawensee | Modohn | Sāvienas |
| Schkilbany | Neu-Letgallen | Šķilbēnu |
| Schlampen | Tuckum | Slampes |
| Schleck | Windau | Zlēku |
| Schlock | Riga | Slokas |
| Schlockenbeck | Tuckum | Milzkalnes |
| Schlossberg | Illuxt | Pilskalnes |
| Schlottenhof | Jakobstadt | Slates |
| Schmarden | Tuckum | Smārdes |
| Schnepeln | Goldingen | Snēpeles |
| Schnickern | Mitau | Sniķeres |
| Schoenberg | Bauske | Skaistkalnes |
| Schrunden | Goldingen | Skrundas |
| Schujen | Wenden | Skujenes |
| Schwarden | Goldingen | Zvārdes |
| Schwarzhof | Walk | Zvārtavas |
| Schwethof | Mitau | Svētes |
| Schwitten | Bauske | Svitenes |
| Seemuppen | Libau | Ziemupes |
| Segewold | Riga | Siguldas |
| Sehlen | Wolmar | Sēļu |
| Sehmen | Tuckum | Sēmes |
| Sehren | Jakobstadt | Sērenes |
| Seidenez | Neu-Letgallen | Liepnas |
| Selburg | Jakobstadt | Sēlpils |
| Selgerben | Tuckum | Dzirciema |
| Selsau | Modohn | Dzelzava |
| Seltinghof | Walk | Zeltiņu |
| Semershof | Walk | Ziemera |
| Senten | Talsen | Zentenes |
| Sepkull | Wolmar | Pāles |
| Serben | Wenden | Dzērbenes |
| Serbigal | Walk | Cirgaļu |
| Sermus | Wenden | Sērmukšu |
| Sessau | Mitau | Sesavas |
| Sesswegen | Modohn | Cesvaines |
| Setzen | Jakobstadt | Seces |
| Sexaten | Hasenpoth | Sieksātes |
| Seyershof | Wolmar | Jeŗu |
| Siggund | Riga | Sidgundas |
| Sinohlen | Walk | Sinoles |
| Sirgen | Winden | Ziŗas |
| Sissegal | Riga | Madlienas |
| Siuxt | Mitau | Džūkstes |
| Skilbani | Neu-Letgallen | Šķilbēnu |
| Skrudalina | Illuxt | Skrudalienas |
| Smilten | Walk | Smiltenes |
| Solujeny | Rositten | Silajāņu |
| Sonnaxt | Jakobstadt | Sunākstes |
| Spahren | Talsen | Spāres |
| Stelpenhof | Bauske | Stelpes |
| Stenden | Talsen | Stendes |
| Sternhof | Wolmar | Jaunburtnieku |
| Stirnian | Rositten | Stirnienas |
| Stockmannshof | Riga | Pļaviņu |
| Stolben | Wenden | Stalbes |
| Stomersee | Modohn | Stāmerienas |
| Stopiushof | Riga | Stopiņu |
| Strasden | Talsen | Strazdes |
| Strutteln | Tuckum | Struteles |
| Suhrs | Windau | Zūru |
| Sunzel | Riga | Suntažu |
| Sussenhof | Jakobstadt | Rītes |
| Sussey | Illuxt | Susējas |
| Swenten | Illuxt | Sventas |
| Swirsdino | Ludsen | Zvirgzdenes |