Mah-Jongg Organizations
- Mahjong Fellowship Online Club
- Mahjong News International
- Japanese Professional Mah-jong League
- Empire of The Mahjong
- Mahjong Walker
- Japan Mahjong Organization
- European Mahjong Association
- Federazione Italiana Mah Jong
- Nederlandse Mahjong Bond
- Mah-jong FFMJ
- Das chinesische Spiel Mah-Jongg
- DAJA Mahjong
- Mahjong Museum
- Mahjong Danmark
- Mahjong Verband
- Hungarian Mah-jong Association