Invasion of Iran, Invasion of Persia or Conquest of Persia may refer to several historical events, including:

• Alexander the Great's conquest of Persia
• Muslim conquest of Persia
• Battle of Dandanaqan, part of the Seljuk invasion of Persia
• Mongol conquest of Persia
• Timur's conquest of Persia
• Anglo-Persian War
• Persian Campaign (World War I)
• Anglo-Soviet invasion of Iran
• Iraqi invasion of Iran