International Mathematical Union (IMU) - Promotes international co-operation in Mathematics. Information about the Union and its executive committee, news bulletins and details of member countries.

Mathematical Societies - Comprehensive list maintained by the International Mathematics Union.

Mathematical Association of America (MAA) - The world's largest organization devoted to the interests of collegiate mathematics.

Society for Industrial and Applied Mathematics (SIAM) - Provides information on mathematics related books, journals, and conferences. Membership information is also available.

Institute of Mathematics and its Applications (IMA) - The professional and learned society for qualified and practising mathematicians, based in the UK. Its aims are to promote mathematics and its applications in all sectors: industry, commerce, education, the public sector and research. It has 6000 members worldwide and a vigorous and expanding programme of activities.

London Mathematical Society (LMS) - Established in 1865 for the promotion and extension of mathematical knowledge. To this end the Society undertakes various publications and holds regular meetings, conferences and symposia. In spite of its name, the Society is not simply a London society. It is the major British learned society for Mathematics, with a nationwide membership. It also has several hundred overseas members.

Institute for Mathematics and its Applications (IMA) - The IMA is a federally funded US institute which promotes the use of mathematics in other fields both in academia and in industry.

Mathematics Foundation of America - The purpose of MFOA is to ensure that the mathematically talented high school student receives mathematics education appropriate for a future mathematician by providing suitable summer programs and mentors.

Australian Mathematical Society (AustMS) - Founded to promote and extend of mathematical knowledge and its applications in Australia. The site contains information about the society, its publications and conferences.

European Mathematical Society (EMS) - Aims to further the development of all aspects of mathematics in the countries of Europe and establish a sense of identity amongst European mathematicians. Includes electronic library, databases and details of activities.

Belgian Mathematical Society (BMS) - National mathematics society. Includes staff, conference details and archived newsletters.

Irish Mathematical Society - Aims to further mathematics and mathematical research in Ireland. Its membership is international, but it mainly represents mathematicians in universities and other third level institutes in Ireland. Bulletins, meetings, membership information, group rules and structure, employment opportunities, members-only area, and links to useful resources.

Hong Kong Mathematical Society (HKMS) - Membership directory, meetings and the Hong Kong mathematicians directory.

The Mathematical Association - British mathematics teachers' association.

Sociedade Portuguesa de Matemática - Portuguese Mathematical Society.

Canterbury Mathematical Association - New Zealand organisation to encourage and support the teaching and learning of Mathematics. Current events, articles, teaching ideas and student work.

European Consortium for Mathematics in Industry - To promote the use of mathematical models in industry. Conferences, study groups, publications, special interest groups.

János Bolyai Mathematical Society - (Hungarian Mathematical Society)

Swiss Mathematical Society - History of the group, affiliations, and publications.

Member and Associate Member Societies of the European Mathematical Society - Member list with contact information and links, if available.

International Society of Dynamic Games - The ISDG promotes interactions among researchers interested in the theory and applications of dynamic games.

Japanese Association of Mathematical Sciences - A scientific research organization whose main activity is to publish scientific journals in English, French or German.

Indian Society for Mathematical Modelling and Computer Simulation - Constitution and by-laws, and contact information.

The Theta Foundation - A scientific and not-for-profit organisation, promoting mathematical knowledge, based in Romania.

National Association of Mathematicians - US. Main objectives: promotion of excellence in the mathematical sciences and promotion of mathematical development of underrepresented American minorities.

Union of Bulgarian Mathematicians - Contact information, meetings.

The OpenMath Society - An emerging standard for representing mathematical objects with their semantics, allowing them to be exchanged between computer programs, stored in databases, or published on the web. Site has details of membership, meetings and standards.

Resource Modeling Association - Working in the application of models to resource management. Contact and meetings details, online newsletter.

Edinburgh Mathematical Society (EMS) - Founded in 1883 for "the mutual improvement of its members in the Mathematical Sciences, pure and applied", it is the principal mathematical society for the university community in Scotland. Membership is drawn from all the Scottish universities and other educational institutions as well as from mathematicians in industry and commerce both at home and overseas.

Korean Mathematical Society - The official academic society of Korean mathematicians. Details about the group, activities, publications, and membership.

Gesellschaft für Angewandte Mathematik und Mechanik (GAMM) - Events, publications, membership details. English/German site.

International Society of Dynamic Games (Russian Chapter) - Aims to promote interactions among researchers interested in the theory and applications of dynamic games.

Canadian Mathematical Society (CMS) - National mathematical society. General information, activities, membership and Camel accounts.

Smith Institute for Industrial Mathematics and System Engineering - The Smith Institute for Industrial Mathematics and System Engineering is a Faraday Partnership and the leading intermediate organization in the UK coupling industry and academia in the key enabling disciplines of applied mathematics and computing.

Joint Mathematical Council of the United Kingdom - A forum for discussion between mathematical societies and for making representations to government and other bodies and responses to their enquiries.

New Zealand Mathematical Society - Conferences, notifications, affiliations, activities, membership details, and contact information.

St. Petersburg Mathematical Society - Details about meetings, seminars, conferences, membership, employment, and the group's history.

Mathematical Association of Victoria - Australian non-profit association founded in 1906. It has nearly 2,000 members from all levels of mathematics teaching.

Association for Women in Mathematics - A nonprofit organization dedicated to encouraging and promoting women and girls in the mathematical sciences including pure and applied mathematics and statistics. Site has newsletters, events and resources including job adverts.

International Society for the Arts, Mathematics, and Architecture - ISAMA furthers interdisciplinary education relating the arts, mathematics, and architecture. Links to resources in the three areas.

Glasgow Mathematical Association - Contact details and programme of events.

International Statistical Institute - Links to events and resources for statisticians, educators or anyone else interested in data analysis techniques.

Finnish Mathematical Society - A society for professionals, appliers and students of mathematics. Includes background information, links and details of seminars.

Association of Christians in the Mathematical Sciences - Promotes interaction among Christians in the mathematical sciences and encourages them to explore the relationship of their faith to their discipline. History, membership and online newsletter.

Nairobi University Actuarial Students Association - Association of students from the University of Nairobi pursuing a career in actuarial science.

Österreichische Mathematische Gesellschaft - Austrian Mathematical Society.

Malta Mathematical Society - Events, activities, and contact information.

Canadian Applied and Industrial Mathematics Society (CAIMS) - Development and maintenance of Applied and Industrial Mathematics in Canada. About the society, news and awards.

Young Mathematicians Network (YMN) - A loose organization of mathematicians in the junior part of their careers. Newsletter and useful links.

Union of Czech Mathematicians and Physicists - One of the oldest societies in the Czech Republic. The site includes the society's history, organization, conferences, links and job opportunities.

The Society of the Romanian Mathematicians - Contact information and list of members.

Sociedad Española de Matemática Aplicada - Spanish society for applied mathematics.

African Mathematical Union (UMA) - African equivalent of the International Mathematical Union. Interim site with details of the Union's activities.

International Federation of Nonlinear Analysts - Seeks to promote common understanding of related nonlinear mathematical analysis problems and approaches to solutions from all disciplines.

European Research Consortium for Informatics and Mathematics - Fosters collaborative work within the European research community and with European industry. Activities, publications, information and links.

International Association for Statistical Computing - International organization concerned with the theory, methods and practice of statistical computing. Includes online newsletter and software archives.

Advanced Technology Council in Mathematics - Promotes technology for learning and research in mathematics, and dissemination of information. Meetings, publications, software.

Singapore Mathematical Society - Events, programs, publications, news and announcements, and membership details.

IMA Forum for Mathematics in Medicine and Biology - Exists to support and represent the interests of those who apply mathematics to problems in medicine and biology. It is sponsored by the Institute of Mathematics and its Applications (IMA) . It publishes a (roughly) quarterly newsletter.

Gender and Mathematics Association (GAMMA) - Contact details.

Polish Mathematical Society, Cracow Division - Contact details, committee members.

International Society for Bayesian Analysis - Promotes the development and application of Bayesian statistical theory and methods useful in the solution of theoretical and applied problems in science, industry and government.

Resources of Scholarly Societies - Mathematics - Created by compilers at the University of Waterloo Library.

The South African Mathematical Society - SAMS was founded in 1957 and has the advancement of mathematics in South Africa as its main objective. It publishes the journal Quaestiones Mathematicae and Notices of the SAMS, and holds an annual congress.

International Linear Algebra Society - Based in Israel, promotes international co-ordination to assist the development of theoretical matrix analysis and linear algebra. Includes details of the Hans Schneider Prize and Taussky-Todd Lecture.

Japan Society for Industrial and Applied Mathematics - Publications, meetings, membership, activity groups.

Israel Mathematical Union (IMU) - Professional association, with lists of members and upcoming lectures and colloquia.

Estonian Mathematical Society - National mathemcatical society. Contact information and list of members.

Austrian Mathematical Society - The national mathematics society of Austria. Site includes membership information and publications.

Bernoulli Society - An autonomous section of the International Statistical Institute based at Warwick University in England. Its object is the advancement of the sciences of probability, mathematical statistics and their application. Includes an application form for membership.

Institute of Mathematical Statistics - Aims to foster the development and dissemination of the theory and applications of statistics and probability. Membership information and details of publications.

European Women in Mathematics - An affiliation of women bound by a common interest in the position of women in mathematics. Encourages and supports women to take up and continue their studies and research in mathematics. Newsletter, meetings and links.

International Group for the Psychology of Mathematics Education - Promotes international contacts and the exchange of scientific information in the psychology of mathematics education. Organization details, guidelines and latest news.

Chinese Mathematical Society - Officers of the society, details of Chinese mathematicians and publications.

Danish Mathematical Society - Founded with the purpose of acting for the benefit of mathematics in research and education. Contact details, activities, members, archives, links and online membership form.

Norwegian Mathematical Society - Brief contact details.

Catalan Mathematical Society - Details of World Mathematics Year 2000.

Association for Mathematical Didactics - German society for mathematical didactics. Contact details, current projects and links.