| situar-se | estar situado |
| situação | puesto |
| situação de emissões | situación de emisión |
| situação difícil | situación difícil |
| situação económica | situación económica |
| situação embaraçosa | situación difícil |
| Siurana | Ciurana |
| Siv | Virus de inmunodeficiencia en simios |
| Sivas | Provincia de Sivas |
| Sivatherium | Sivatherium |
| Siviriez | Siviriez |
| Six Feet Under | Six Feet Under |
| sizígia | sizigia |
| Siágrio | Afranio Siagrio |
| Sião | Siam |
| SK Rapid Wien | Rapid Viena |
| Ska | Ska |
| Ska punk | Ska-punk |
| Skade | Skadi |
| Skagen | Skagen |
| Skagerrak | Skagerrak |
| Skald | Poesía escáldica |
| Skalica | Distrito de Skalica |
| Skanderbeg | Skanderbeg |
| Skane | Escania |
| Skank | Skank |
| Skara Brae | Skara Brae |
| skate | monopatín |
| Skate punk | Skate punk |
| Skellefteå | Skellefteå |
| sketch | sketch |
| SketchUp | Google SketchUp |
| Ski | Ski |
| skibob | skibob |
| Skiffle | Skiffle |
| Skikda | Skikda |
| Skimmia | Skimmia |
| skin | máscara |
| Skinhead | Skinhead |
| Skinhead nazista | Bonehead |
| Skinheads Against Racial Prejudice | Skinheads Against Racial Prejudice |
| Skiplist | Skip list |
| Skiptvet | Skiptvet |
| Skiðblaðnir | Skíðblaðnir |
| Skoda | Škoda |
| Skolelinux | Skolelinux |
| Skoll | Skoll |
| Skonto FC | Skonto FC |
| Skopie | Skopie |
| Skopje | Skopie |
| Skrapar | Distrito de Skrapar |
| Skuld | Skuld |
| Skult | Skult |
| SKY | SKY |
| Sky Tate | Schuyler Tate |
| Sky Tower | Sky Tower |
| Skylab | Skylab |
| Skype | Skype |
| Skyteam | SkyTeam |
| Skálholt | Skálholt |
| Skåne | Escania |
| Skënderbeu Korçë | KS Skënderbeu Korçë |
| Skíros | Esciro |
| SL | SL |
| Slackware Linux | Slackware |
| slalom | eslalon |
| Slam Dunk Contest | Concurso de mates de la NBA |
| Slash | Slash |
| Slavia Praga | Slavia Praga |
| Slavoj Žižek | Slavoj Žižek |
| SLAX | SLAX |
| Slayer | Slayer |
| Slayers | Slayers |
| Sleeper | El dormilón |
| Sleepless in Seattle | Sleepless in Seattle |
| Sleepy Hollow | Sleepy Hollow |
| Sleipnir | Sleipnir |
| Slew Rate | Slew rate |
| slide | diapositiva en color |
| slide colorido | diapositiva en color |
| Sliders | Sliders |
| Sligo | Sligo |
| Sligo Rovers | Sligo Rovers Football Club |
| Slim Thug | Slim Thug |
| Slippy Toad | Slippy Toad |
| Sliver - The Best of The Box | Sliver - The Best of the Box |
| Slobodan Milošević | Slobodan Milošević |
| slogan | slogan |
| Slogans | Eslóganes |
| Slot | Socket de CPU |
| Slowking | Slowking |
| SLS Linux | SLS Linux |
| Slytherin | Slytherin |
| Small Wonder | La Pequeña Maravilla |
| Smalltalk | Smalltalk |
| Smallville | Smallville |
| Smart | Smart |
| Smart client | Smart client |
| smartphone | teléfono inteligente |
| smash | smash |
| Smaug | Smaug |
| Smells Like Teen Spirit | Smells Like Teen Spirit |
| Smendes | Esmendes I |
| Smerdis da Pérsia | Esmerdis |
| Smilacaceae | Smilacaceae |
| SMILES | SMILES |
| Smilodon | Smilodon |
| Smirnoff | Smirnoff |
| Smith of Wootton Major | El herrero de Wootton Mayor |
| Smithfield | Smithfield |
| Smithsonian Institution | Instituto Smithsoniano |
| smog | smog |
| Smoke on the water | Smoke on the Water |
| smoking | smoking |
| Smolensk | Smolensk |
| smurf | pitufo |
| Smyrna | Smyrna |
| Småland | Småland |
| SN Brussels Airlines | SN Brussels Airlines |
| Snake Jailbird | Snake Jailbird |
| Snatch | Coger al vuelo |
| SNCF | SNCF |
| Sneasel | Sneasel |
| Sniffing | Packet sniffer |
| Snina | Distrito de Snina |
| sniper | francotirador |
| Sniper Wolf | Sniper Wolf |
| SNK Playmore | SNK |
| Snooker | Snooker |
| Snoop Dogg | Snoop Dogg |
| Snoopy | Snoopy |
| snorkel | tubo respirador |
| Snorlax | Snorlax |
| Snorri Sturluson | Snorri Sturluson |
| Snot | Snot |
| Snow Crash | Snow Crash |
| Snow White and the Seven Dwarfs | Blancanieves y los siete enanitos |
| snowboard | tabla de snow |
| snowmobile | motonieve |
| so- | sub- |
| SO-DIMM | SO-DIMM |
| SOAP | SOAP |
| soar | dar |
| soar mal | hacer sonar |
| Soazza | Soazza |
| sob | bajo |
| sob controle | bajo control |
| sob medida | hecho a la medida |
| sob muita pressão | bajo mucha presión |
| sob os pés | bajo los pies |
