Society ("spolky") categories: O
(nejen v Havířově)
- owners, tenants, and residents club Havířov
- order Havířov
- outdoor activities club Havířov
- owners, tenants, and residents of a building club Havířov
- Opel club Havířov
- orchestra Havířov
- owners, tenants, and residents of a building association Havířov
- owners club Havířov
- owners association Havířov
- owners, tenants, and residents association Havířov
- owners and users of real estate club Havířov
- outdoor club Havířov
- owners and users of real estate association Havířov
- owl breeders club Havířov
- organization Havířov
- outlaw motorcycle club Havířov
- official fan club Havířov
- owl breeders' club Havířov