| Sint Maarten | Saint Martin |
| Sint Maarten national football team | Sint Maartens fotbollslandslag |
| Sint-Niklaas | Sinterklaas |
| Sinterklaas | Sinterklaas |
| Sinti | Sinti |
| Sinuiju | Sinuiju |
| sinuosity | buktighet |
| sinuous | krokig |
| sinus | bihåla |
| Sinus bradycardia | Sinusbradykardi |
| sinusitis | sinuit |
| sinusoidal | sinusformad |
| Siné | Maurice Sinet |
| Siobhán Donaghy | Siobhán Donaghy |
| sion | zion |
| Siouan | Lakota |
| Sioux | siouxspråk |
| Sioux County | Sioux County |
| Siouxsie Sioux | Siouxsie Sioux |
| sip | dricka |
| Sipahi | Spahi |
| Sipalay City | Sipalay |
| siphon | leda bort genom en hävert |
| Sipoo | Sibbo |
| Sippar | Sippar |
| Siptah | Siptah |
| sir | herre |
| Sir Francis Haddock | Francois Haddoque |
| Sir Henry And His Butlers | Sir Henry and his Butlers |
| Sir Kay | Kay |
| Sir Richard Bishop | Richard Bishop |
| Sir Tor | Tor |
| Sir-Tech | Sir-Tech |
| Siracusa | Syrakusa |
| Sirah Rasul Allah | Syrah |
| Sirajganj | Sirajganj |
| Sirdal | Sirdal kommun |
| Sirdaryo | Syr-Darja |
| Sirdaryo Province | Syr-Darja |
| sire | bli far till |
| siren | siren |
| Sirenia | Sirendjur |
| Sirhan Sirhan | Sirhan Sirhan |
| Sirimavo Bandaranaike | Sirimavo Bandaranaike |
| Sirin | Sirin |
| Sirio | Sirio |
| Sirius | Sirius |
| Sirius Black | Sirius Black |
| Sirjan | Sirjan |
| Sirkap | Sirkap |
| sirloin | stek av fransyska |
| sirloin steak | stek av fransyska |
| sirocco | scirocko |
| Sirr Al-Khatim Al-Khalifa | Al-Khatim Khalifa |
| sirup | sirap |
| Sirusho | Sirusho Harutyunyan |
| Siryn | Kyrene |
| Sisak | Sisak |
| sisal | sisalhampa |
| Siselen | Siselen |
| siskin | siska |
| SISMI | SISMI |
| Sisowath of Cambodia | Sisowath |
| Sissach | Sissach |
| Sisseln | Sisseln |
| Sissi - Die junge Kaiserin | Sissi - den unga kejsarinnan |
| sissolve | upplösa |
| sissy | ynkrygg |
