Louis Napoleon usually refers to Napoleon III (1808–1873), who was Emperor of the Second French Empire from 1852 to 1870, and was known as Louis-Napoleon Bonaparte before 1852.
Louis Napoleon may also refer to:
Louis Bonaparte or Louis Napoléon Bonaparte (1778–1846), King Louis I of Holland, brother of Napoleon I Napoléon Louis Bonaparte (1804–1831), King Louis II of Holland, second son of Louis Bonaparte (1778–1846) Napoléon Eugène, Prince Imperial or Napoléon IV, Prince Imperial, often referred to as Louis Napoléon (1856–1879), only child of Napoleon III Prince Louis Napoléon or Napoléon VI, Prince Imperial (1914–1997), pretender to the French throne Louis Napoleon (underground railroad), associate of Sydney Howard Gay