The Invasion of Portugal may refer to several invasions of Portugal including one of the following events:

• Spanish invasion of Portugal during the War of the Portuguese Succession (1580)
• Spanish invasion of Portugal (1762), part of the Seven Years' War
• 1801 Invasion of Portugal by Spanish forces in the War of the Oranges
• Invasion of Portugal (1807), by Spanish and French forces as part of the Peninsular War
• 1809 Invasion of Portugal by French forces, defeated at the Battle of Porto
• 1810 Invasion of Portugal by French forces, frustrated by the Lines of Torres Vedras
• Portuguese colonization of the Americas

This disambiguation page lists articles associated with the title Invasion of Portugal.
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