QB may refer to:
Arts and entertainment
- Quantum Break, a 2016 video game
- Quest Beat, a video game label
- Quratulain Balouch, Pakistani singer
- Kyubey, antagonist of 2011 anime Puella Magi Madoka Magica
Places
- Qualicum Beach, Vancouver Island, Canada
- Quarry Bay, Hong Kong, China
- Quebec, a Canadian province
- Queens, a borough of New York City, US
- Queens Boulevard, a highway
- Queensbridge, Queens, a public housing project
Science and technology
- ATCvet code QB for Blood and blood forming organs, a section of the Anatomical Therapeutic Chemical Classification System
- QuickBASIC, a programming language
- QuickBooks, accounting software
- QBittorrent, a free and open-source BitTorrent client
Transport
- QB (New York City Subway service), a defunct transit service
- Quiet Birdmen, a secret club for male American aviators
- Sky Georgia (IATA:<code>QB</code>)
Other uses
- Quarterback, a position in American and Canadian football
- Queen's Bench (disambiguation), a name of some courts in England, Wales and Canada
- Quiz bowl, an academic quiz game
See also
- Cuby & the Blizzards
- 1992 QB1, the first known classical Kuiper belt object, now named Albion