Warstar

Warstar may refer to:


 * War hero or war star
 * Warstar (comics), two aliens that serve as a member of the Shi'ar Imperial Guard (Marvel Comics)
 * Universal Annihilation Army Warstar or "Warstar" (宇宙虐滅軍団ウォースター, Uchū Gyakumetsu Gundan Wōsutā), the antagonists from Tensou Sentai Goseiger
 * The Warstar Empire, an organization appearing in the TV series Power Rangers Megaforce
 * Warstar (GY73), a trawler built in 1914 by Cook, Welton & Gemmell