JB

JB may stand for:
* JB, an American audio engineer
* "J.B.", a play by Archibald MacLeish in verse, based on the Book of Job
* JB Hi-Fi, an Australian hi-fi and entertainment store
* Jack Bauer, fictional protagonist of the television series "24"
* Jack Black, actor and musician
* Jackson Browne, an American singer/songwriter
* Jägerbomb, a mixed drink commonly made from Jägermeister and Red Bull
* Jailbait
* James Bond, fictional British Secret Service agent based on the novels by Ian Fleming
* James Brayshaw, Australian radio and television personality, commentator and cricketer
* James Brown, American soul and funk singer and bandleader
* James Brown, sports broadcaster
* Japanese and overseas long-span bridge projects (Honshu-Shikoku Bridge Expressway Company Limited)
* Jason Bourne, fictional star of the Bourne series by Robert Ludlum
* Jawbreaker, an influential San Francisco punk rock band
* Jeff Buckley, singer
* Jelly Belly jelly beans
* Jeremy Borash, professional wrestling play-by-play announcer.
* Jerusalem Bible, a Roman Catholic Bible translation
* Jessica Biel, American actress
* Jim Beam, world's top selling brand of bourbon whiskey
* Joe Biden, US Senator from Delaware
* John Barrowman, actor
* John Bonham, Led Zeppelin drummer
* "Johnny Bravo", animated TV series
* Johor Bahru, capital of Johor in southern Malaysia
* Jonas Brothers, American pop rock trio
* Jungfraubahn
* Junior branch, members of CISV between 11 and 25
* Just BASIC, a programming language
* Just Blaze, hip hop producer
* The IATA code for HeliJet
* Jay Brunkow, USMC