PKB
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