Society ("spolky") categories: M
- Mini club
- modern pentathlon club
- Maserati club
- mushroom growers' club
- museum
- Mongols in Czech Republic club
- motorcycle association
- municipal association
- McLaren club
- model makers' association
- Mustang club
- monkey breeders' club
- monkey breeders club
- movement
- municipality restoration club
- motorcyclists club
- modelers club
- Mitsubishi club
- MG club
- medical club
- Maybach club
- music group
- military tech club
- mycology circle
- martial arts club
- mountaineering club
- mountaineering association
- mountaineering section
- movementarian association
- men's club
- Moto Guzzi club
- Mercedes club
- Mongolian association
- mushroom growers club
- model makers' club
- mycological group
- motorcycle club
- motor racing club
- Mercedes-Benz club
- mycology club
- men's association
- mountaineers club
- military club
- municipality restoration society
- music club
- Mazda club
- mycological club
- modern pentathlon association
- music association
- mycological association
- municipal club