| Sigdal | Sigdal kommun |
| Sigebert I | Sigibert I |
| Sigebert II | Sigibert II |
| Sigebert III | Sigibert III |
| Siger of Brabant | Sigerius av Brabant |
| Sigfrid Edström | Sigfrid Edström |
| Sigfrid of Sweden | Sankt Sigfrid |
| Sigfried Held | Sigfried Held |
| Sigge Parling | Sigge Parling |
| sigh | sucka |
| sighed | suckade |
| Sighişoara | Sighişoara |
| sight | åsyn |
| sight draft | siktväxel |
| Sight hound | Vinthundar |
| sight-read | spela från bladet |
| sight-reading | spelning från blad |
| sighted | seende |
| sighthound | vinthund |
| sighting | iakttagelse |
| sightly | snygg |
| Sightseeing bus | Buss |
| sightseer | turist |
| Sigillaria | Sigillaria |
| sigillography | sigillografi |
| SIGINT | Signalspaning |
| Sigirino | Sigirino |
| Sigiriya | Sigiriya |
| Sigismond Thalberg | Sigismund Thalberg |
| Sigismund | Sigmund |
| Sigismund I the Old | Sigismund I av Polen |
| Sigismund II Augustus | Sigismund II August |
| Sigismund III Vasa | Sigismund |
| Sigismund of Bavaria | Sigmund |
| Sigismund of Burgundy | Sigismund av Burgund |
| Sigizmund Levanevsky | Sigizmund Levanevsky |
| Siglistorf | Siglistorf |
| Siglufjörður | Siglufjarðarkaupstaður |
| sigma | sigma |
| Sigma algebra | Sigma-algebra |
| Sigma Corporation | Sigma Corporation |
| Sigma Sagittarii | Nunki |
| Sigma-algebra | Sigma-algebra |
| Sigmoid function | Colon sigmoideum |
| Sigmund Freud | Sigmund Freud |
| Sigmund Jähn | Sigmund Jähn |
| sign | tecken |
| Sign function | Signumfunktionen |
| sign in | skriva in sig |
| sign language | teckenspråk |
| Sign language in infants and toddlers | Babyteckenspråk |
| sign of equality | likhetstecken |
| sign of life | livstecken |
| sign of the cross | krosstecken |
| Sign of the Hammer | Sign Of The Hammer |
| sign of the times | tidstecken |
| sign of the Zodiac | stjärntecken |
| sign off | sluta sändningen |
| sign on | skriva in sig |
| sign out | skriva ut sig |
| sign over | endossera |
| sign up | anmäla sig |
| sign-post | vägvisare |
| signal | tecken |
| signal crayfish | signalkräfta |
| Signal de Botrange | Signal de Botrange |
| Signal Iduna Park | Signal Iduna Park |
| Signal theory | Signalteori |
| signal tower | ställverk |
