An envoy is a diplomatic representative sent by a sovereign, government, or international organization to conduct negotiations, deliver communications, or represent the sender's interests before a foreign authority. Historically, the term denoted a specific rank below ambassador. Under the 1815 Congress of Vienna's Règlement sur le rang entre les agents diplomatiques, envoys (formally envoyés extraordinaires et ministres plénipotentiaires) constituted the second class of heads of mission, ranking below ambassadors and papal nuncios but above ministers resident and chargés d'affaires.
The 1961 Vienna Convention on Diplomatic Relations consolidated diplomatic ranks into three classes (Article 14), effectively folding envoys into the broader category of heads of mission, though the title persists in modern usage. Today, envoy is most often used in two senses:
- Special envoy: an individual appointed for a defined, often time-limited purpose, such as mediating a conflict, leading climate negotiations, or coordinating policy on a thematic issue. Special envoys may operate outside the regular accreditation framework and report directly to a head of state, foreign minister, or secretary-general.
- Personal envoy: a representative of a principal (e.g., the UN Secretary-General) tasked with discreet diplomacy on a particular file.
Envoys typically carry credentials or terms of reference defining their mandate, and their privileges and immunities depend on whether they are accredited under the Vienna Convention or serve under ad hoc arrangements negotiated with host states. Unlike resident ambassadors, envoys often lack a permanent mission and rely on logistical support from existing embassies. The role allows states and organizations to inject high-level attention into specific issues without altering the standing diplomatic architecture.
Example
In 2021, John Kerry served as the United States Special Presidential Envoy for Climate, representing Washington at COP26 in Glasgow.