TJB

TJB may refer to:

• Herb Alpert and the TJB, the band led by Herb Alpert, an American trumpeter
• Tuvalian-Julian boundary, a geological time period associated with the Carnian pluvial episode
• TJB or True Joy Begins, the South Korean regional broadcasting company also known as Taejon Broadcasting
• Raja Haji Abdullah Airport, the IATA code TJB
• The Jerusalem Bible, an English translation of the Bible published in 1966
• TJB Botha, a South African shareholder activist