| Company type | Co-operative |
|---|---|
| Industry | Agriculture |
| Founded | 1917 |
| Founder | British Raj |
| Headquarters | Naogaon, Bangladesh |
Area served | Bengal (now Bangladesh and West Bengal) |
Key people | Milton Chandra Roy (president of ad-hoc committee) |
| Products | Cannabis |
| Total assets | est. ৳100 crores |
Naogaon Ganja Cultivators' Co-operative Society Limited (Bengali: নওগাঁ গাঁজা চাষি সমবায় সমিতি লিমিটেড) or commonly Ganja Society (Bengali: গাঁজা সোসাইটি) is a co-operative society that was established by the British Raj in 1917. This cooperative society was established for the development of cannabis cultivation and the well-being of growers in Naogaon, British-ruled Bengal.