Rapid Action Battalion or RAB, is an anti-crime and anti-terrorism unit of the Bangladesh Police. This elite force consists of members of the Bangladesh Army, Bangladesh Navy, Bangladesh Air Force, Bangladesh Police, Border Guard Bangladesh, and Bangladesh Ansar. It was formed on 26 March 2004 as RAT, and commenced operations on 14 April 2004.

The Bangladesh Police is the national law enforcement agency of Bangladesh, operating under the Ministry of Home Affairs. It plays a crucial role in maintaining peace, and enforcement of law and order within Bangladesh. Though the police are primarily concerned with the maintenance of law and order and security of persons and property of individuals, they also play a big role in the criminal justice system. Bangladesh Police played an important role during the Bangladesh Liberation War.