AJB or A. J. B. may refer to:

• Aero JBR (ICAO code AJB), a Mexican airline
• AJ Bell (LSE: AJB), a public limited company that provides online investment services
• Al Jazeera Balkans (AJB), an international news television service headquartered in Sarajevo, Bosnia
• Association of Jews in Belgium (AJB), former organization set up by the Germans to administer the Belgian Jewish population, 1941

• A. J. B. Hope, one of the monikers of Alexander Beresford Hope (1820–1887)
• A. J. Braga (1900–1968), Singaporean politician
• Archibald James Butterworth (1912–2005), inventor and racing motorist who built the A.J.B. Special, a Formula One car.

• American Journal of Botany, monthly peer-reviewed scientific journal
• American Journal of Business, biannual peer-reviewed academic journal
• The Amazing Jeckel Brothers, an album by Insane Clown Posse
• The Amazing Joy Buzzards, a comic book series

This disambiguation page lists articles associated with the title AJB.
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