| SummerSlam | SummerSlam |
| Summis desiderantes | Summis desiderantes affectibus |
| Summit County | Summit County |
| Summit Series | Summit Series |
| summor | amounts |
| Summorum pontificum | Summorum Pontificum |
| Sumner County | Sumner County |
| Sumobrottning | Sumo |
| sump | grounds |
| sumpig | soggy |
| Sumpkrokodil | Mugger Crocodile |
| sumpmark | slough |
| Sumpnoppa | Gnaphalium uliginosum |
| sumpsköldpadda | terrapin |
| Sumqayıt | Sumqayit |
| Sumter County | Sumter County |
| Sumvitg | Sumvitg |
| Sumy | Sumy |
| Sumy oblast | Sumy Oblast |
| Sun | Sun |
| Sun Belt | Sun Belt |
| Sun Myung Moon | Sun Myung Moon |
| Sun Studio | Sun Studio |
| Sun Wukong | Sun Wukong |
| Sun Yat-sen | Sun Yat-sen |
| Sun Zi | Sun Tzu |
| Sunbeam | Sunbeam Car Company |
| Sunchang | Sunchang |
| sund | cove |
| Sundance Film Festival | Sundance Film Festival |
| Sundance Kid | Harry Longabaugh |
| Sundarban | Sundarbans |
| Sunday | Sunday |
| Sundbybergs kommun | Sundbyberg Municipality |
| Sunderland | Sunderland |
| Sundeved kommun | Sundeved |
| sundhet | health |
| sundhetsbehandling | phytosanitary treatment |
| sundhetspass | certificate of good health |
| Sundsvall | Sundsvall |
| Sundsvalls kommun | Sundsvall Municipality |
| Sundsøre kommun | Sundsøre municipality |
| Sune Bergström | Sune Bergström |
| Sune Sik | Sune Sik Sverkersson |
| Sung Hi Lee | Sung-Hi Lee |
| Sunga | Sunga Empire |
| Sunita Williams | Sunita Williams |
| Sunna | Sunna |
| sunnanvind | southerly |
| Sunndal kommun | Sunndal |
| Sunne | Sunne Municipality |
| Sunne kommun | Sunne Municipality |
| Sunniter | Sunni |
| Sunnmøre | Sunnmøre |
| Sunnydale High School | Sunnydale High |
| Sunrise Avenue | Sunrise Avenue |
| Sunset Boulevard | Sunset Boulevard |
| sunt förnuft | reason |
| sunt förstånd | sanity |
| Suona | Suona |
| Suovetaurilia | Suovetaurilia |
| sup | dram |
| supa | booze |
| supare | alcoholic |
