HWT may refer to:

Harvey World Travel, a former Australian travel agency franchise Health and welfare trust, a Canadian healthcare plan The Herald and Weekly Times, an Australian newspaper publishing company Heritage Walk Trivandrum, an Indian non-profit organisation HIStory World Tour, 1996-97 concert tour by Michael Jackson Hypersonic wind tunnel Herschel Walker trade, the largest player trade in the history of the U.S. National Football League Humanoid Walking Tank, a type of robot in the Japanese video game Gunparade March