JTB

JTB may refer to:

Jets to Brazil, an American rock band
Johannes Thingnes Bø (born 1993), Norwegian biathlete
John the Baptist (died circa 30), Jewish preacher and ascetic
JTB (gene), a human gene
Journal of Theoretical Biology, a scientific journal
JTB Corporation, formerly Japan Travel Bureau, the largest travel agency in Japan
Justified true belief, a philosophical definition of knowledge
JTB (software), a preprocessor that produces JavaCC files
Joint IED Defeat (JIEDD) Test Board, an organization within the Joint Improvised Explosive Device Defeat Organization
J. Turner Butler Boulevard, a major expressway in Jacksonville, Florida carrying the designation Florida State Road 202