PPK may refer to: Politics Parliamentary Party of Kosovo Peruvians for Change (Peruanos Por el Kambio), a political party in Peru Other uses Ppk, a process performance index PPK (trance duo), a Russian trance duo .ppk, PuTTY private key file format Walther PPK, a variant of the Walther PP pistol Pedro Pablo Kuczynski (born 1938), also known as PPK, former President of Peru Personal preference kit, an allowance of personal items that an astronaut can bring on a mission