Fourth Empire

Fourth Empire may refer to:
 * Fourth British Empire, a concept in the historiography of the British Empire
 * Fourth world-empire, the last of the four kingdoms of Daniel
 * Roman Empire, the traditional interpretation of the fourth kingdom of Daniel in Christian eschatology
 * Fourth Reich, a hypothetical successor of Nazi Germany
 * Fourth Empire, a fictional organization in Star Gladiator
 * Fourth Empire, the main antagonists of Galaxy Force (video game)