| section | avdelning |
| Section conique | Kägelsnitt |
| section efficace | tvärsnitt |
| section transversale | tvärsnitt |
| sectionner | hugga av |
| Secure File Transfer Protocol | SFTP |
| Secure internet live conferencing | SILC |
| Secure shell | SSH |
| Secure socket layer | Transport Layer Security |
| Securitas AB | Securitas |
| Securitate | Securitate |
| Securities and Exchange Commission | Securities and Exchange Commission |
| Security Service | Security Service |
| Sedecias | Sidkia |
| Sedna | Sedna |
| Sedum | Fetknoppar |
| Seeberg | Seeberg |
| Seedorf | Seedorf |
| Seefeld | Seefeld in Tirol |
| Seeland | Själland |
| Seengen | Seengen |
| Seesen | Seesen |
| Seewis im Prättigau | Seewis |
| Sefer Ha Zohar | Zohar |
| Sefer Halilović | Sefer Halilović |
| Seftigen | Seftigen |
| Sega Megadrive Collection | Sega Mega Drive Collection |
| Sega Pico | Pico |
| Segisaurus | Segisaurus |
| segment | segment |
| Segment de population | Marknadssegmentering |
| Segmentation stratégique | Marknadssegmentering |
| segmenter | segmentera |
| Segni | Segni |
| Segovie | Segovia |
| Segura | Segura |
| Segway PT | Segway |
| seiche | bläckfisk |
| seigle | råg |
| Seigneur | Herren |
| seigneur de la guerre | krigsherre |
| seigneurial | herrgårds- |
| Seigneux | Seigneux |
| Seiichi Itō | Seiichi Ito |
| Seiji Ozawa | Seiji Ozawa |
| Seiken densetsu | Secret of Mana |
| Seimas | Seimas |
| sein | bröst |
| seine | not |
| Seine-et-Marne | Seine-et-Marne |
| Seine-Maritime | Seine-Maritime |
| Seine-Saint-Denis | Seine-Saint-Denis |
| Seinen | Seinen |
| Seinfeld | Seinfeld |
| seins | bröst |
| Seismosaurus | Seismosaurus |
| Seitan | Seitan |
| Seiza | Seiza |
| seize | sexton |
| Seize bougies pour Sam | Födelsedagen |
| Seize Royaumes | De sexton kungadömena |
| seizième | sextonde |
| Sejm | Sejmen |
| Sejong le Grand | Sejong den store |
| Sekhmet | Sekhmet |
| Sekiryo Kaneda | Sekiryo Yamauchi |
| sel | salt |
| sel alimentaire | salt |
| sel d'épandage | vägsalt |
| sel de cuisine | salt |
| sel de la Terre | Jordens salt |
| sel de table | salt |
| sel marin | havssalt |
| Selaginella | Mosslumrar |
| Seldjoukides | Seldjuker |
| Selena | Selena Quintanilla |
| Selenga | Selenga |
| Selenicereus | Nattkaktusar |
| Self | Spole |
| Self control | Anger Management |
| self-service | självbetjäning |
| selfie | selfie |
| Selfoss | Selfoss |
| Selim Ier | Selim I |
| Selim II | Selim II |
| Selkis | Skorpionen |
| Sellafield | Sellafield |
| selle | avföring |
