Organisations and Associations

International:

International Commission on Acoustics:
http://ims-ism.nrc-cnrc.gc.ca/ica/

International Society of Audiology:
http://www.isa-audiology.org

ICBEN (International Congress on Noise as a Public Health Problem):
http://www.icben2003.nl/index.htm

International Institute of Noise Control Engineering
http://www.i-ince.org

International Speech Communication Association:
http://www.isca-speech.org

European:

EA: European Co-operation for Accreditation
http://www.european-accreditation.org

European Acoustics Association
http://www.eaa-fenestra.org

EEAA; Eastern European Acoustical Association

http://webcentre.ru/~eeaa

EOTC: European Organisation for Conformity Assessment
http://eotc.be/

European Acoustical Societies
Austria: http://www.kfs.oeaw.ac.at/aaa/home.html
Belgium: http://www.abav.be
Croatia: http://www.zea.fer.hr/had.hfm
Czech Republic: http://www.czakustika.cz
Denmark: http://www.d-a-s.dk
Finland: http://www.acoustics.hut.fi/asf/
France: http://www.sfa.asso.fr
Germany: http://www.dega-akustik.de
Italy: http://www.idac.rm.cnr.it/aia
Latvia: http://www.akustika.lv
Netherlands: http://www.nag-acoustics.nl
Norway: http://www.akustisk-selskap.com
Poland: http://www.acoustics.org.pl
Portugal: http://www.spacustica.pt
Russia: http://www.akin.ru/ras.htm
Slovakia: http://www.tuzvo.sk/skas
Slovenia: http://www.fs.uni-lj.si/sda
Spain: http://www.ia.csic.es/Sea/index.html
Switzerland: http://www.sga-ssa.ch
Turkey: http://www.takder.org
UK: http://www.ioa.org.uk

European Speech Communication Association: 
http://wwwesca.ikp.uni-bonn.de/home.html

National:

British Society of Audiology:
http://www.b-s-a.demon.co.uk

Chartered Institute of Environmental Health (UK):
http://www.cieh.org

Institute of Noise Control Engineering (USA)
http://www.inceusa.org

Institute of Noise Control Engineering (Japan)
http://www.mmjp.or.jp/INCE-JAPAN/

National Society for Clean Air and Environmental Protection (UK, includes noise)
http://www.nsca.org.uk
Largely a pressure group for political action.