The International Encyclopedia of the Social & Behavioral Sciences, originally edited by Neil J. Smelser and Paul B. Baltes, is a 26-volume work published by Elsevier.

Contemporary Psychology described the work as "the largest corpus of knowledge about the social and behavioral sciences in existence.

Overarching Topics: Institutions and infrastructure, History of the social sciences and the behavioral sciences, Ethics of research and applications, Biographies, Integrative concepts and issues Methodology: Statistics, Mathematics and computer sciences, Logic of inquiry and research design.

Disciplines: Anthropology, Demography, Economics, Education, History, Linguistics.

(The latter is an extensive list of references separate from the Bibliography in the article.)