Society ("spolky") categories: S
- singing club
- Spyderco club
- secret society
- section
- skating club
- shareholders association
- sports association
- Slovaks in Czech Republic club
- stick insect breeders' club
- sports club
- Slovak association
- softball association
- scouting association
- sports team
- swimming club
- street club
- Suzuki club
- skateboard club
- shotball association
- stamp collectors club
- seniors' association
- string orchestra
- small ape breeders club
- student group
- stoat breeders' club
- suppliers' association
- skating association
- supplier association
- sports section
- sledge hockey association
- schnauzer breeders' club
- swimming association
- single-purpose association
- students club
- schnauzer breeders club
- seniors' home
- ski association
- swimmers club
- squash club
- Simson club
- stoat breeders club
- surfing club
- ski club
- string instrument orchestra
- SDH (volunteer firefighters)
- Škoda club
- speed skating club
- seniors club
- strongman club
- soil owners association
- stick insect breeders club
- Smart club
- shotball club
- Saab club
- Subaru club
- single-purpose company
- sledge hockey club
- softball club
- student association
- sisterhood
- students union
- scout association
- stamp collectors' club
- snowboard club
- surf club
- senior club
- Seat club
- student club
- soil owners club
- speed skating association
- skiing club
- social club
- secondary school association
- seniors association
- students' club
- student union
- society
- snowboard association
- skate club
- seniors' club
- silly walks club
- school workers club
- Sokol association
- surfing association
- sports cooperative