CQB may refer to: Close-quarters battle, a close combat situation between multiple combatants involving ranged weapons "CQB" (The Expanse), an episode of The Expanse Chandler Regional Airport, the FAA LID code CQB Chicom CQB, a suppressed bullpup submachine gun AA-12 CQB, a variant of an automatic combat shotgun Atchisson AA-12 SWAT 3: Close Quarters Battle or SWAT3:CQB, a tactical shooter video game