International economic law, broadly conceived, is a field of international law that encompasses both the conduct of sovereign states in international economic relations, and the conduct of private parties involved in cross-border economic and business transactions. This includes, among other things, international trade law, law of international financial institutions (or what is known as international financial law, and traditional private international law fields. Additionally, international economic law includes the following fields:
- Regional Economic Integration, such as the European Union, ASEAN and other regional trade organizations.
- International law and development
- International commercial arbitration
- International intellectual property law
- International business regulation
See Jean M. Wenger, American Society of International Law, Guide to Electronic Resources for International Law.

