EACSL  
   European Association for Computer Science Logic. Newsletter, meetings, index to conference proceedings, membership list.
   http://www.dimi.uniud.it/~eacsl/

ALP  
   Association for Logic Programming. Membership information, newsletter, journals, meetings.
   http://www.cwi.nl/projects/alp/

IGPL  
   Interest Group in Pure and Applied Logics: part of FoLLI.
   http://www.di.ufpe.br/~igpl/

ASL  
   Association for Symbolic Logic.
   http://www.aslonline.org/

FoLLI  
   European Association for Logic, Language and Information. Meetings and publications.
   http://www.folli.uva.nl/

DVMLG  
   Deutsche Vereinigung für Mathematische Logik und für Grundlagen der Exakten Wissenschaften (site partly in German)
   http://www.math.fu-berlin.de/~dvmlg/

Kurt Gödel Society  
   An international organization for the promotion of research in the areas of Logic, Philosophy, History of Mathematics, above all in connection with the biography of Kurt Gödel.
   http://www.logic.at/kgs/

International Federation for Computational Logic (IFCoLog)  
   A federation of societies and groups active in computational logic.
   http://www.ifcolog.org/

KR, Inc.  
   Principles of Knowledge Representation and Reasoning, Incorporated. A charitable organization fostering research and communication on knowledge representation and reasoning. Its primary activities include organizing a series of conferences, the Conferenc
   http://www.kr.org/

British Logic Colloquium  
   Meetings, publications, reports and resources.
   http://www.cs.bham.ac.uk/~exr/blc/

COMPULOG Americas  
   American Logic Programming Organization.
   http://www.cs.nmsu.edu/~complog/

CSHPM  
   Canadian Society for History and Philosophy of Mathematics.
   http://www.cshpm.org/

MVL-TC  
   IEEE Technical Committee on Multiple Valued Logic.
   http://wwwj3.comp.eng.himeji-tech.ac.jp/mvl/

UP Eulogica. Asia's First Student Logic Society  
   UP Eulogica is academic and social in nature. This is a co-educational, college-based student organization, which is university wide in membership. It accepts honorary members composed of UP students, professors, instructors and administrators.
   http://upeulogica.topcities.com/

Computability in Europe Homepage  
   Information on the "Computability in Europe" network of mathematicians, computer scientists, philosophers and scientists with research interests in computability issues
   http://www.amsta.leeds.ac.uk/pure/staff/cooper/cie.html