- the court of arbitration for the peaceful settlement of international disputes, established at The Hague by the international peace conference of 1899: its panel of jurists nominates a list of persons from which members of the United Nations International Court of Justice are elected.
- a tribunal of judges at The Hague, founded in 1899 to provide a panel of arbitrators for international disputes. It also chooses nominees for election by the United Nations to the International Court of Justice
