Society ("spolky") categories: D
(nejen v Mladé Boleslavi)
- dance club Mladá Boleslav
- dog owners' association Mladá Boleslav
- discgolf club Mladá Boleslav
- darts association Mladá Boleslav
- Ducati club Mladá Boleslav
- Daewoo club Mladá Boleslav
- divers club Mladá Boleslav
- Dodge club Mladá Boleslav
- dance association Mladá Boleslav
- dog owners' club Mladá Boleslav
- dog owners club Mladá Boleslav
- dog breeders' club Mladá Boleslav
- donkey breeders club Mladá Boleslav
- Daihatsu club Mladá Boleslav
- debate association Mladá Boleslav
- debate club Mladá Boleslav
- dog breeders club Mladá Boleslav
- donkey breeders' club Mladá Boleslav
- diving club Mladá Boleslav
- district association Mladá Boleslav
- darts club Mladá Boleslav
- diving association Mladá Boleslav
- Dnepr club Mladá Boleslav