外交豁免权（英语：diplomatic immunity），又称外交特权，系国际间为方便外交代表运行正常职务，各国依据相互尊重主权及平等互利原则，按照惯例或有关协议，互相授予外交豁免权；其性质为绝对的，故为绝对豁免权（absolute immunity）。 豁免权以广义区分，则分为

1961年联合国国际法委员会将习惯法整编成设置的《维也纳外交关系公约》，目前世界各国大部分已签署。

Diplomatic immunity is a form of legal immunity that ensures diplomats are given safe passage and are considered not susceptible to lawsuit or prosecution under the host country's laws, although they can still be expelled. It was agreed as international law in the Vienna Convention on Diplomatic Relations (1961), though the concept and custom have a much longer history. Many principles of diplomatic immunity are now considered to be customary law. Diplomatic immunity as an institution developed to allow for the maintenance of government relations, including during periods of difficulties and armed conflict. When receiving diplomats—who formally represent the sovereign—the receiving head of state grants certain privileges and immunities to ensure they may effectively carry out their duties, on the understanding that these are provided on a reciprocal basis.