HBU may refer to:
Universities Hebei University, in China Hong Bang University. in Ho Chi Minh City, Vietnam Houston Baptist University, former name of the institution in Texas, United States now known as Houston Christian University
Other uses Bulgan Airport, Khovd, in Mongolia Habun language, spoken in East Timor Hawke's Bay United FC, a New Zealand football club Herne Bay United, an English roller hockey club Highest and best use Hollandsche Bank-Unie, a defunct Dutch bank