International Commission on the History of Mathematics (ICHM)  
   to encourage the study of the history of mathematics; and Aim of group is to promote scholarly learning in this area through publications, symposia and maintaining a printed directory of historians.
   http://www.math.uu.nl/ichm/

Indian Society for History of Mathematics  
   The Society aims to promote study, teaching and education in history of mathematical sciences.
   http://www.indianshm.com/

The Americas Section of History and Pedagogy of Mathematics  
   The Americas Section of HPM spans an area that is immense both in its physical and cultural dimensions, ranging from scholarly pursuit of knowledge to practical classroom issues, to foster communication and cooperation by means of this website and throug
   http://www.hpm-americas.org/

HPM - International Study Group on the Relations between History and Pedagogy of Mathematics  
   By combining the history of mathematics with the teaching of mathematics HPM is the link between the past and the future of mathematics and is therefore the conception of mathematics as a living science, a science with a long history, a vivid present and
   http://130.158.186.230/hpm/index.htm

Canadian Society for History and Philosophy of Mathematics  
   Promotes research and teaching within the field by publishing newsletters and two journals and conducting annual meetings. Includes archive of newsletters and constitution of this organization.
   http://www.cshpm.org/

British Society for the History of Mathematics  
   Mission is to promote research into the development of the field from ancient times to the present, as well as to study uses for teaching the subject. Membership includes researchers, teachers, students, and anyone with a general interest in this topic.
   http://www.bshm.org/