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