Plague

Plague may refer to:
 * the Plague of Undeath unleashed by the Lich King and the Scourge.
 * the New Plague or Blight, a creation of the Forsaken based on the Plague of Undeath.
 * Plague, the spell school.
 * Plague, a darkhound found in Tirisfal Glades.
 * The weapon and namesake of the House of Plagues.