Keith

• Keith (given name), includes a list of people and fictional characters
• Keith (surname)
• Keith (singer), American singer James Keefer (born 1949)
• Keith (gamer), American professional League of Legends player
• Baron Keith, a line of Scottish barons in the late 18th century
• Clan Keith, a Scottish clan associated with lands in northeastern and northwestern Scotland

Australia

• Keith, South Australia, a town and locality

Scotland

• Keith, Moray, a town
  • Keith railway station
• Keith Marischal, East Lothian

United States

• Keith, Georgia, an unincorporated community
• Keith, Ohio, an unincorporated community
• Keith, West Virginia, an unincorporated community
• Keith, Wisconsin, a ghost town
• Keith County, Nebraska

• Keith F.C., a football team based in Keith, Scotland
• HMS Keith, a ship of the British Royal Navy
• Hurricane Keith, a 2000 hurricane that caused extensive damage in Central America
• Keith (film), a 2008 independent film directed by Todd Kessler
• Keith (album), a 2019 studio album by Kool Keith
• "Keith" (song), a 2019 single by Kaylee Bell

• Keith Inch, easternmost point of mainland Scotland
• Keith number, an integer that appears as a term in a linear recurrence relation with initial terms based on its own digits
• Kieth, a list of people with the given name or surname
• Dalkeith, Midlothian, a town in Scotland