| suástica | esvástica |
| suçuarana | puma |
| Suécia | Suecia |
| suéter | jersey |
| suíno | puerco |
| Suíntila | Suintila |
| suíte | suite |
| Suíça | Suiza |
| Suíça italiana | Romandía |
| suíças | patillas |
| suíço | suizo |
| Suíço-alemão | Alemán de Suiza |
| Suðuroy | Suðuroy |
| SV | Savona |
| SV Austria Salzburg | SV Austria Salzburg |
| Svalbard | Svalbard |
| Svalbard e Jan Mayen | Svalbard y Jan Mayen |
| Svalin | Svalin |
| Svante Arrhenius | Svante August Arrhenius |
| Svartálfar | Enanos |
| Sven Göran Eriksson | Sven-Göran Eriksson |
| Sven Hedin | Sven Hedin |
| Sven Nykvist | Sven Nykvist |
| Svend Aagesen | Sven Aagesen |
| Svend Estridson | Svend II de Dinamarca |
| Svend I da Dinamarca | Svend I de Dinamarca |
| Svend III da Dinamarca | Svend III de Dinamarca |
| Sverdlov | Yakov Sverdlov |
| Sveriges Riksbank | Riksbank |
| Sverker I da Suécia | Sverker I |
| Sverker II da Suécia | Sverker II Karlsson |
| Sverre Magnus da Noruega | Ingrid Alexandra de Noruega |
| Svetlana Kuznetsova | Svetlana Kuznetsova |
| Svetlana Savitskaya | Svetlana Savitskaja |
| Svetlana Zakharova | Svetlana Zakharova |
| SVG | Scalable Vector Graphics |
| SVGA | Super Video Graphics Array |
| Sviatoslav I de Kiev | Sviatoslav I de Kiev |
| Sviatoslav Richter | Sviatoslav Richter |
| Svidník | Distrito de Svidník |
| Svitto | Cantón de Schwyz |
| Swakopmund | Swakopmund |
| Swami Sivananda | Swami Sivananda |
| Swami Vivekananda | Swami Vivekananda |
| Swansea | Swansea |
| SWAPO | Organización del pueblo de África del Sudoeste |
| SWAT | SWAT |
| Swat Kats - O Esquadrão Radical | SWAT Kats - The Radical Squadron |
| Sweeney Todd | Sweeney Todd |
| Sweep-picking | Sweep-picking |
| sweepstake | sweepstake |
| Sweet Home Alabama | Sweet Home Alabama |
| swell | mar de fondo |
| Swept Away | Swept Away |
| SWF | SWF |
| swing | ritmo |
| Swinging London | Swinging London |
| SWiSH Max | SWiSH Max |
| Swiss Indoors | Torneo de Basilea |
| Swiss International Air Lines | Swiss International Air Lines |
| Swissair | Swissair |
| switch | conmutador |
| Swordfish | Operación Swordfish |
| Syd Barrett | Syd Barrett |
| Sydney | Sídney |
| Sydney Brenner | Sydney Brenner |
| Sydney FC | Sydney Football Club |
| Sydney Pollack | Sydney Pollack |
| Syens | Syens |
| Syllable | Syllable |
| Sylvain Wiltord | Sylvain Wiltord |
| Sylvanus Griswold Morley | Sylvanus Morley |
| Sylvester | Silvestre |
| Sylvester Stallone | Sylvester Stallone |
| Sylvia | Sylvia |
| Sylvia Plath | Sylvia Plath |
| Sylviidae | Sylviidae |
| Sylvio Mendes Campos Junior | Sylvio Mendes Campos Junior |
| Symantec | Symantec |
| SymbianOS | Symbian OS |
| Symbion | Cycliophora |
| Symphonic metal | Symphonic metal |
| Symphony | Sinfonía |
| Symphony X | Symphony X |
| Symphoricarpos | Symphoricarpos |
| Symphyotrichum | Symphyotrichum |
| Symplocarpus | Symplocarpus |
| Synaptic | Synaptic |
| Synbranchiformes | Syngnathiformes |
| Synchronous Data Link Control | SDLC |
| Syngman Rhee | Syngman Rhee |
| Synthpop | Synth pop |
| Syracuse | Siracusa |
| Syrah | Syrah |
| Syrena | Sirena |
| Syriana | Syriana |
| Syringa | Syringa |
| Syrphidae | Syrphidae |
| Syslog | Syslog |
| Sysop | Sysop |
| System of a Down | System of a Down |
| Systema Naturae | Clasificación científica |
| Systran | Systran |
| Syzygium | Syzygium |
| Szechwan | Sichuan |
| Szeged | Szeged |
| Sá de Miranda | Francisco Sa de Miranda |
| sábado | sábado |
| sábado judeu | sabat |
| Sábado Santo | Sábado Santo |
| sábio | prudente |
| sádica | sádica |
| sádico | sádico |
