博帕尔事件发生于1984年12月3日凌晨，印度中央邦的博帕尔市（Bhopal）美国联合碳化物（Union Carbide）属下的联合碳化物（印度）有限公司（UCIL），设于博帕尔贫民区附近一所农药厂发生氰化物泄漏事件。官方公布瞬间死亡人数为2,259人，当地政府确认和气体泄露有关的死亡人数为3,787。还有大约8,000人在接下来的两个星期中丧命，另外还有大约8,000人因为气体泄露而死亡。根据一份2006年的官方文档显示，这次泄露共造成了558,125受伤包括38,478暂时局部残疾以及大约3,900严重和永久残疾。

The Bhopal disaster, also referred to as the Bhopal gas tragedy, was a gas leak incident in India, considered the world's worst industrial disaster.

It occurred on the night of 2–3 December 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh. Over 500,000 people were exposed to methyl isocyanate (MIC) gas and other chemicals. The toxic substance made its way into and around the shanty towns located near the plant.