PKB may stand for:

  • Pennäler cartel Baden, an association of alumni associations
  • Pillkaller Kleinbahnen, a former railway company in East Prussia, see Schloßberger Kleinbahnen
  • PKB is a measure of the strength of a base, see base constant
  • PKB Private Bank ( formerly Private Bank ), a Swiss private bank
  • Polycrystalline cubic boron nitride
  • Protein kinase B
  • Process control block
  • Prone Knee Bend, reverse Lasègue test, see Lasègue characters
  • Disambiguation
  • Abbreviation