PKRS or PKRs can refer to:
Pakistani rupees, the currency of Pakistan Password Authenticated Key Retrieval Scheme, a type of password-based public-key cryptography. See IEEE P1363. Pusat Keamanan Rakyat Sementara (literally Temporary Center for People's Safety), an organisation led by Andi Abdullah Bau Massepe in support of Indonesian independence Pertahanan Keamanan Rakyat Semesta (translated as "Universal People's Defense and Security" or "Nation in Arms"), a system similar to conscription in Indonesia
See also PKR (disambiguation)