HPA is the abbreviation for:

  • Police Academy Hesse replaced on 1 January 2010, the name Hessian Police Academy HPS
  • Polish police code for Police General Command
  • Hamburg Port Authority
  • Trade department part of the GDR Foreign Ministry (each GDR embassy had also its own HPA)
  • Main potential equalization
  • HPa (hPa ), see Pascal (unit)
  • Health Protection Agency, British health authority
  • Army Personnel Office
  • Healing practice candidate / in, see Naturopaths
  • Hierarchical Path - Finding A *
  • High Performance Addressing
  • High Power Amplifier
  • University Examinations Office
  • Host Protected Area
  • High Performance Aircraft
  • High Performance Aircraft GmbH & Co. KG, see HPA TT62
  • Human platelet antigens, of which are known at least eight different systems, see Platelet alloantigens
  • Human Powered Aircraft
  • Hurlingham Polo Association
  • Hyperphenylalaninemia
  • Hypothalamic -pituitary- adrenocortical axis: engl. Term for the hypothalamic -pituitary -adrenal axis ( neuroendocrine control loop between the hypothalamus, pituitary and adrenal cortex )

HPA as distinguishing signs on license plate:

  • Poland: Police General Command
  • Disambiguation
  • Abbreviation