IKB

IKB may refer to:

Science

 * International Klein Blue, a deep blue hue
 * IκB (I-kappa-B), a protein complex

Other uses

 * IKB Deutsche Industriebank, a German bank
 * Ikebukuro Station (JR East station code), Japan
 * Isambard Kingdom Brunel (1806–1859), British engineer
 * Wilkes County Airport (IATA code), North Carolina, US