Hu

HU, Hu or hu may refer to:

• .hu, the Internet country code top-level domain for Hungary
• Hu (digraph), used primarily in Classical Nahuatl
• Hu (vessel), a type of ancient Chinese bronze vessel
• Fu (kana), also romanised as Hu, Japanese kana ふ and フ
• Hungarian language, ISO 639 alpha-2, hu
• Hainan Airlines, from their IATA airline code
• Hollywood Undead, an American rap rock band
• Holographic Universe, in quantum gravity and string theories
• Hounsfield Units, on the Hounsfield scale, a unit of measurement used on a computed tomography machine (CAT)
• Wu Hu, an ancient Chinese term for five nomadic tribes surrounding ancient China