Contact friedger /at/ gmail if you want to be added as writer/manager of a listed Android community below.
There are also many GTUG chapters that deal with Android. Have a look at www.gtugs.org for these groups.
Canada
Montreal (Fabian Rodriguez)
China (William Wen)
France
Germany
Aachen (Mostafa Akbari)
Berlin (Mr Schtief)
Bonn (Arno Becker)
Essen
Karlsruhe (Marcus Schiesser)
Munich (Markus Junginger)
Stuttgart (Stefan Linzer)
India
Bangalore (Akshay Dashrath)
Israel
Romania (Radu Andrei Tanasa)
Singapore
Singapore (Zi Yong)
Spain
Barcelona (Israel Ferrer, Luis Moreno)
Barcelona (Roberto Serrano)
South Korea
Seoul (Robert McManus)
UK
London (Kevin McDonagh, Carl-Gustav Harroch)
US
Chicago (Uki Dominque Lucas)
Washington D.C. Area - D.C. Droids
Washington D.C. Area - Washington iPhone/Android Mobile Developers
Washington D.C. Area - Android Programmer Group