| Sweet | The Sweet |
| Sweet Home Alabama | Sweet Home Alabama |
| Swindon | Swindon |
| Swindon Town Football Club | Swindon Town FC |
| Swing | Swingdans |
| Swiss International Air Lines | Swiss International Air Lines |
| Swiss International Airlines | Swiss International Air Lines |
| Swissair | Swissair |
| switch | switch |
| Sy Snootles | Sy Snootles |
| Sybill Trelawney | Sibylla Trelawney |
| Sybille Bammer | Sybille Bammer |
| SYBR Green | SYBR Green I |
| Syd Barrett | Syd Barrett |
| Syddanmark | Region Syddanmark |
| Sydney Brenner | Sydney Brenner |
| Sydney Pollack | Sydney Pollack |
| Syens | Syens |
| Syldavia | Syldavien |
| Sylhet | Sylhet |
| Syllable | Syllable |
| Syllabus | Syllabus |
| Sylvain Wiltord | Sylvain Wiltord |
| Sylvester | Sylvester James |
| Sylvester Stallone | Sylvester Stallone |
| Sylvia | Silvia |
| Sylvia communis | Törnsångare |
| Sylvia Plath | Sylvia Plath |
| Sylvilagus | Bomullssvanskaniner |
| Sylvio Mendes Campos Junior | Sylvinho |
| Symantec | Symantec |
| Symbian | Symbian OS |
| Symbian OS | Symbian OS |
| Symphonic metal | Opera metal |
| Symphony X | Symphony X |
| Symphyotrichum | Astrar |
| Symphyta | Växtsteklar |
| Synapsida | Synapsida |
| Synaptic | Synaptic |
| Syngman Rhee | Syngman Rhee |
| Syngnathiformes | Spiggartade fiskar |
| Synth pop | Synthpop |
| Syphon Filter | Syphon Filter-serien |
| Syrah | Shiraz |
| Syria | Syrien |
| Syriana | Syriana |
| Syringa | Syrener |
| Syrphidae | Blomflugor |
| Syslog | Syslog |
| Sysop | Systemoperatör |
| System of a Down | System of a Down |
| System V | System V |
| Systems Network Architecture | Systems Network Architecture |
| Syzgyum aromaticum | Kryddnejlika |
| Syzygium aromaticum | Kryddnejlika |
| Szczecin | Szczecin |
| Szeged | Szeged |
| Széchenyi István | István Széchenyi |
| Székely | Szekler |
| sábado | sabbat |
| sábalo | majfisk |
| sábana | lakan |
| sádico | sadistisk |
| sáfico | sapfisk |
| sándalo | sandelträ |
| Sándor Kocsis | Sándor Kocsis |
| Sándor Petőfi | Sándor Petőfi |
| sánduche | sandwich |
| sándwich | sandwich |
| sánguche | sandwich |
| sánscrito | sanskritisk |
| Sári | Sari |
| Sármatas | Sarmater |
| sátira | satir |
| sátiro | satyr |
| Sávio | Sávio |
| Sâles | Sâles |
| São Bernardo do Campo | São Bernardo do Campo |
| São Carlos | São Carlos |
| São Gonçalo | São Gonçalo |
| São José | São José |
| São Luís | São Luis |
| São Miguel | São Miguel |
| São Miguel das Missões | São Miguel das Missões |
| São Nicolau | São Nicolau |
| São Paulo | São Paulo |
| São Paulo Futebol Clube | São Paulo FC |
| São Vicente | São Vicente |
| Såsom i en spegel | Såsom i en spegel |
| Sæhrimnir | Särimner |
| Sète | Sète |
| Sèvres | Sèvres |
| Sébastien Bourdais | Sébastien Bourdais |
| Sébastien Lefebvre | Sébastien Lefebvre |
| Sébastien Loeb | Sébastien Loeb |
| Séfora | Sippora |
| Ségolène Royal | Ségolène Royal |
| Sémele | Semele |
| sémola | gryn |
| Séneca | Seneca den yngre |
| sépalo | foderblad |
| séptico | septisk |
| séptima | sjunde |
| Séptima generación de videoconsolas | Sjunde generationens konsoler |
| séptimo | sjunde |
| séptimo cielo | sjunde himlen |
| Séquit | Tåg |
| séquito | följe |
| sésil | fastsittande |
| Sévery | Sévery |
| sí | ja |
