CQB (disambiguation)

CQB may refer to:
 * Close-quarters combat, a close combat situation between multiple combatants involving ranged weapons
 * 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
 * CQB (The Expanse), an episode of the American science fiction television series The Expanse