KPA may refer to: Keele Postgraduate Association, Keele University, UK, formerly Keele Research Association (KRA) Kensington (Olympia) station, London, England, National Rail station code Kenya Ports Authority Kiln phosphoric acid, a dry process to produce phosphoric acid at high temperature in a kiln Kilopascal (kPa), a unit of pressure Known-plaintext attack, a method of cryptanalysis Korean People's Army, the armed forces of North Korea Aruba Police Force (Dutch: Korps Politie Aruba) Kosovo Property Agency