The Invasion of Canada may refer to several events in history:

• The British and French colonial empires contested over Canada through several wars:
  • Quebec expedition (1711)
  • King George's War (1744–1748)
  • French and Indian War (1724–1763)
• The United States invaded Canada in two wars:
  • Invasion of Canada (1775), American Revolutionary War
  • Invasion of Canada (1812), War of 1812
• American rebels from the Hunters' Lodges invaded Canada in the Patriot War (1837–1838) and the Battle of the Windmill in 1838
• Fenian raids (1866 and 1871)
• War Plan Red (mid-1920s), a U.S. invasion plan created as a contingency for the unlikely event of war with the United Kingdom

• The Invasion of Canada, a 1980 book by Pierre Berton about the War of 1812
• Canadian Bacon, a 1995 comedy film which satirizes relations along the Canada–United States border

• Invasion of Quebec (disambiguation)