Indonesian criminal procedure law is the law governing the procedure of the hearing (the litigants in the judiciary) in the sphere of criminal law. Indonesian criminal procedure law regulated in Law Number 8 of 1981.

Principle in the criminal procedural law in Indonesia is:
♦ - The principle of a written order, ie any legal action can only be done based on the written order of the competent authority in accordance with the Act.
♦ - The principle of judicial fast, simple, low cost, honest, and impartial, that is a series of criminal proceedings (of the investigation to the verdict) made a quick, concise, honest, and fair.
♦ - The principle of legal aid, that everybody has a chance, even mandatory to obtain legal aid for the defense on himself.
♦ - The principle of open, namely the examination of criminal acts carried out openly to the public.
♦ - The principle of proof, that the suspect / defendant is not burdened with the burden of proof, unless otherwise regulated by law.