House Un-American Activities Committee
(缩略词： HUAC)
- a committee of the US House of Representatives established in 1938 to investigate subversives. It became notorious for its zealous investigations of alleged communists, particularly in the late 1940s, although it was originally intended to pursue Fascists also.众议院非美活动调查委员会（建于1938年, 美国众议院的一个调查颠覆分子的委员会; 因对被指认的共产党人的过热调查而臭名昭著, 尤其是在20世纪40年代后期, 虽然它最初目的是追踪法西斯主义者）。