HWB

HWB may refer to:

• Hwb, a Welsh education website
• HWB color model, a representation of points in an RGB color model
• Hardware write block device, a type of computer hard disk controller
• Hawaii Winter Baseball, a defunct professional baseball league
• Health and wellbeing board, various statutory bodies in England
• Heavy Water Board, of India's Department of Atomic Energy
• Helmert–Wolf blocking, a statistical algorithm
• Hochwohlgeboren, an honorific in Europe
• Homeopaths Without Borders, a pseudoscientific nonprofit organization
• Hybrid wing body, a type of fixed-wing aircraft
• Herbert Walker Bush