| softboll | softball |
| Softboll vid Olympiska sommarspelen | Softball at the Summer Olympics |
| Softice | SoftICE |
| Software Freedom Day | Software Freedom Day |
| Sogamoso | Sogamoso |
| Sogdiana | Sogdiana |
| Sogdianus | Sogdianus of Persia |
| Sogn og Fjordane fylke | Sogn og Fjordane |
| Sogndal kommun | Sogndal |
| Sognefjorden | Sognefjord |
| Sogo Ishii | Sogo Ishii |
| Sohag | Sohag Governorate |
| Soho | Soho |
| SOI | Silicon on insulator |
| Soissons | Soissons |
| soja | soybean |
| sojaböna | soybean |
| sojabönor | bean sprouts |
| Sojagoodyaya | Soybean |
| sojamjölk | soy milk |
| Sojaprotein | Soy protein |
| sojasås | soy |
| Sojourner Truth | Sojourner Truth |
| Sojuz | Soyuz launch vehicle |
| Sojuzmultfilm | Soyuzmultfilm |
| Sojuzprogrammet | Soyuz programme |
| Soka Gakkai | Sōka Gakkai International |
| Sokalaffären | Sokal Affair |
| Sokcho | Sokcho |
| Soke | Sōke |
| Sokkia Corporation | Sokkia |
| Sokndal kommun | Sokndal |
| Sokobanja | Sokobanja |
| Sokolnitjeskajalinjen | Sokolnicheskaya Line |
| Sokoto | Sokoto State |
| Sokotra | Socotra |
| Sokrates | Socrates |
| sokratisk | Socratic |
| sol | sun |
| Sol -en | Sun |
| Sol Invictus | Sol Invictus |
| sol- | solar |
| Sol-gel | Sol-gel |
| sola | sunbathe |
| Sola kommun | Sola |
| Sola scriptura | Sola scriptura |
| sola sig | sunbathe |
| Solabborrfiskar | Centrarchidae |
| Solanales | Solanales |
| Solandrasläktet | Solandra |
| Solaris | Solaris |
| solarium | tanning bed |
| solarplexus | solar plexus |
| SOLAS | International Convention for the Safety of Life at Sea |
| solbada | sunbathe |
| solbadande | sunbathing |
