Invasion of Italy may refer to:
Hannibal's invasion of Italy lasting from 218 to 201 BC The Lombard invasion of Italy from 568 AD The French invasion of Italy as part of the Italian War of 1494–1495 The Napoleonic invasion of Italy from 1792 to 1801 The Allied invasion of Italy, 3–17 September 1943 The German invasion of Italy, Operation Achse, 8–19 September 1943