The black beret is a colour of beret, a type of headgear. It is commonly worn by paramilitaries and militaries around the world, particularly armored forces such as the British Army's Royal Tank Regiment (RTR), the Royal Canadian Armoured Corps (RCAC), and Royal Australian Armoured Corps (RAAC) and the Indian Army Armoured Corps and Indian Border Security Force. Notable non-armored military units to wear the black beret include the non-military police and non-special forces elements of the Irish Defence Forces, MOD Guard Service, Russian Naval Infantry and Russian OMON units, the United States Air Force (USAF) Tactical Air Control Party (TACP), Philippine National Police-Special Action Force (PNP-SAF) members, and the Royal Canadian Navy. It was also worn by the United Kingdom's Royal Observer Corps (ROC) with their Royal Air Force (RAF) uniform, Metropolitan Manila Development Authority (MMDA).

A beret is a soft, round, flat-crowned cap, usually of woven, hand-knitted wool, crocheted cotton, wool felt, or acrylic fibre.