A troop is a small unit of cavalry or some police forces.

Troop may also refer to:

• Troops, a collective term for soldiers

• Troop (band), an R&B group from Pasadena, California
• Troops (film), an independent spoof of COPS and Star Wars
• F Troop, a satirical American television sitcom
• The Troop, a TV sitcom
• Troop, a family name from Kipling's Captains Courageous
• The Troop (book), a novel by Nick Cutter

• Troop (clothing brand), a 1980s hip hop clothing brand
• Scout troop, a unit of boy or girl scouts
• TrOOP, true out-of-pocket expenses (Medicare Part D Coverage)
• Troop, the collective noun for a social group of primates
• Troop (surname)

• Trooper (disambiguation)