Aggressor

Aggressor may refer to:


 * Aggressor (And One album), 2003
 * Aggressor (Ektomorf album), 2014
 * HMS Aggressor, two Royal Navy ships
 * USS Aggressor, two US Navy ships
 * Aggressor squadron, a US military unit acting as an opponent in wargames
 * Aggressor (novel), a 2005 novel by Andy McNab
 * Aggressor (horse), a Thoroughbred racehorse
 * Aggressor, former name of the Estonian rock band, No-Big-Silence