The Max Planck Institute for Foreign and International Social Law (German: Max-Planck-Institut für ausländisches und internationales Sozialrecht) was a research institute devoted to the field of foreign and international social law.
It merged with the Munich Center for the Economics of Aging (MEA) to the Max-Planck-Institut für Sozialrecht und Sozialpolitik in 2011.
It evolved from a project group for international and comparative social law, launched by the Max Planck Society in 1976.
During its early years, the Institute mainly focused on research on the methodology of comparing social laws.
Current research focuses on social security law in terms of collectively organized social benefits and services provided by the civil polity (cash benefits, benefits in kind and personal services), on fundamental social rights, and on social constitutional law in selected countries.