Louis King (1898–1962) was an American actor and film director.

Louis King may also refer to:

• Louis King (basketball) (born 1999), American professional basketball player for the Westchester Knicks
• Lewis King or Curt Weiss (born 1959), American musician
• Louis Vessot King (1874–1965), Canadian academic and physicist
• Louis Magrath King (1886–1949), British consul and author
• Louis King (Shortland Street), fictional character of New Zealand soap opera Shortland Street