Lighthorse or Light Horse most often refers to Light cavalry, but may also refer to:

• 2nd/14th Light Horse Regiment, Australian Army Regiment
• 3rd Squadron, 17th Cavalry Regiment (United States)
• Australian Light Horse, mounted infantry who fought in World War I
  • 1st Light Horse Brigade
  • 2nd Light Horse Brigade
  • 3rd Light Horse Brigade
  • 4th Light Horse Brigade
  • 5th Light Horse Brigade
• Calcutta Light Horse, Indian Army reserve unit during the British Raj
• Henry Lee III, nicknamed "Light Horse Harry"
• Horse&Rider, magazine formerly called Light Horse
• Light Horse Regiment, South African Army unit
• Lighthorse (American Indian police)
• The Lighthorsemen (film), a 1987 feature film about an Australian Light Horse unit
• Rutherford's Light Horse expedition of July 1776
• South Alberta Light Horse

This disambiguation page lists articles associated with the title Lighthorse.
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