The Armed Police Battalion (APBn) is a specialised combat unit of the Bangladesh Police. It is headquartered in Dhaka. The unit has 11 battalions under its command and the Special Security and Protection Battalion has two battalions. Airport Armed Police Battalion is responsible for protecting the Hazrat Shahjalal International Airport.

The Armed Police Battalion was formed on 1 October 1975 as a specialized force of the Bangladesh Police through The Armed Police Battalion Ordinance 1979. Rapid Action Battalion was created under the same ordinance in 2006 through the Armed Police Battalions (Amendment) Act, 2003. Armed Police Battalion-6 was established in 1976 in Barisal originally as a river battalion. Armed Police Battalion-4 was raised in 1979 in Bogura.

On 1 October 1981, the Armed Police Battalion-9 was established. It was moved to Khagrachar in 1987. It was moved to Barisal in 1989, Bilaichari in 1993, Khulna in 1996, Mohalchari in 2000, Uttara in 2003, and finally settled in Chittagong on 5 October 2009.

Armed Police Battalion-3 was established 17 July 2006 in Khulna.

In June 2010, Armed Police Battalion was deployed to Hazrat Shahjalal International Airport.

On 21 June 2011 Armed Police Battalion launched its first all women personal unit. On 26 December, Special Security and Protection Battalion was established to provide security to VIPs of the government and foreign diplomats.

Officers from the Armed Police Battalion have received training at the National Security Guard Centre in India as a part of a government plan in the aftermath of the July 2016 Dhaka attack to form a commando units in every police range and metropolitan area in Bangladesh.

In January 2019, sub-inspector of Armed Police Battalion-7 was arrested in Sylhet for operating a child prostitution ring with 12 year old girls.