HELCOM (Helsinki Commission for the Protection of the Baltic Sea Marine Environment) is the governing body of the Convention on the Protection of the Marine Environment of the Baltic Sea Region, known as the Helsinki Convention. The contracting parties are Denmark, Estonia, the European Union, the European Union, the European Union, Finland, Finland, Germany, Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden.

HELCOM was created around four decades ago to protect the marine environment in the Baltic Sea from all sources of pollution through intergovernmental cooperation.