Louis XIV (1638–1715; r. 1643–1715) was King of France.

Louis XIV or Louis Quatorze may also refer to:

• "Louis Quatorze", a song by Bow Wow Wow from the EP The Last of the Mohicans
• Louis XIV (album), by the band Louis XIV
• Louis XIV (band), rock band from San Diego, California
• Louis XIV (board game)
• Louis XIV style, architectural style

• French ship Louis-XIV (1854), a warship
• Louis Quatorze (horse)

• King Louis (disambiguation)
• Sun King (disambiguation)