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