Harrier may refer to:

• Harrier (bird), birds in the genus Circus
• Harrier (dog)

• Harrier Comics, a defunct British publisher
• Space Harrier, a video game series

• Harrier jump jet, an overview of the Harrier family:
  • Hawker Siddeley Harrier, 1st generation Harrier
  • British Aerospace Sea Harrier, maritime strike/air defence fighter
  • McDonnell Douglas AV-8B Harrier II, 2nd generation Harrier
  • British Aerospace Harrier II, 2nd generation Harrier used by the UK
• Hawker Harrier, experimental biplane torpedo bomber aircraft built in the 1920s

• Cross-country runner, sometimes referred to as harriers
• Faythe Harriers, an Irish hurling team
• Kidderminster Harriers F.C., an English football team
• One of the following athletics clubs:
  • Belgrave Harriers
  • Birchfield Harriers
  • Coventry Godiva Harriers
  • Croydon Harriers
  • Eryri Harriers; see Peris Horseshoe
  • Hash House Harriers
  • Herne Hill Harriers
  • Holmfirth Harriers
  • Ranelagh Harriers
  • Sheffield United Harriers
  • Swansea Harriers Athletics Club
  • Thames Valley Harriers
  • Tipton Harriers

• Laura Harrier (born 1990), American actress and former model

• Harrier LR9 Spyder, a sports racing car built in 1994
• Tata Harrier, a compact SUV built since 2018
• Toyota Harrier, a mid-size SUV built since 1997