There are many origami organizations around the world, one in each country. (Okay, perhaps not all, but most.). Here are some that I konw of:
USA:
OrigamiUSA
Ohio Paperfolders
OrigaMIT
Origami St. Louis (they have a facebook page)
UK:
British Origami Society
Sweden:
Origami Sweden
Singapore:
Origami Singapore
China:
HK Origami Society
USA:
OrigamiUSA
Ohio Paperfolders
OrigaMIT
Origami St. Louis (they have a facebook page)
UK:
British Origami Society
Sweden:
Origami Sweden
Singapore:
Origami Singapore
China:
HK Origami Society