| sitiar | obléhat |
| Sitta europaea | Brhlík lesní |
| Sittidae | Brhlíkovití |
| situação | situace |
| situação de emissões | situace emisní |
| situação económica | ekonomická situace |
| Sião | Sion |
| SK Kladno | SK Kladno |
| SK Rapid Wien | SK Rapid Wien |
| Ska | Ska |
| Skagerrak | Skagerrak |
| Skald | Skald |
| Skalica | Okres Skalica |
| Skanderbeg | Gjergj Kastrioti Skanderbeg |
| skate | brusle |
| Skellefteå | Skellefteå |
| SketchUp | SketchUp |
| Skinhead | Skinhead |
| Skjern | Skjern |
| Skoda | Škoda Auto |
| Skopie | Skopje |
| Skopje | Skopje |
| Skrapar | Okres Skrapar |
| Skuld | Norny |
| Sky Tower | Sky Tower |
| SkyEurope Airlines | SkyEurope Airlines |
| Skylab | Skylab |
| Skype | Skype |
| Skyteam | SkyTeam |
| Skálholt | Skálholt |
| Skåne | Skanie |
| Slackware Linux | Slackware |
| Slash | Slash |
| Slavia Praga | SK Slavia Praha |
| SLAX | Slax |
| Slayer | Slayer |
| Slayers | Slayers |
| Sleepy Hollow | Ospalá díra |
| Sleipnir | Sleipnir |
| slide | diák |
| slivovitz | slivovice |
| Slobodan Milošević | Slobodan Milošević |
| Slobozia | Slobozia |
| slogan | slogan |
| Slytherin | Zmijozel |
| Smalltalk | Smalltalk |
| smartphone | chytrý telefon |
| smash | smeč |
| Smaug | Šmak |
| Smells Like Teen Spirit | Smells Like Teen Spirit |
| Smerdis da Pérsia | Smerdis |
| smetana | zakysaná smetana |
| smiley | smajlík |
| smog | smog |
| smoking | smokink |
| Smolensk | Smolensk |
| SMS | esemeska |
| smurf | šmoula |
| SNCF | Société Nationale des Chemins de Fer Français |
| Snina | Okres Snina |
| sniper | odstřelovač |
| Snooker | Snooker |
| Snoop Dogg | Snoop Dogg |
| Snorri Sturluson | Snorri Sturluson |
| Snow Crash | Lavina |
| Snow White and the Seven Dwarfs | Sněhurka a sedm trpaslíků |
| snowmobile | sněžný skútr |
| so- | sub- |
| SOAP | Simple Object Access Protocol |
| soar | zvonit |
| sob | pod |
| soberania | svrchovanost |
| soberano | svrchovaný |
| Sobibór | Vyhlazovací tábor Sobibor |
| sobra | zbytek |
| Sobrance | Okres Sobrance |
| sobrancelha | obočí |
| sobrar | zůstat |
| sobre | na |
