Harrow may refer to:

Agricultural tools:

• The harrow (tool), an implement for cultivating the surface of the soil
• The spike harrow

Populated areas:

• Places in the London Borough of Harrow
  • Harrow, London
  • North Harrow
  • Pinner
  • Hatch End
  • Stanmore
  • West Harrow
  • Harrow Weald
  • South Harrow (Home of Harrow Borough Football Club.)

Educational institutions:

• Harrow School, a public school in the United Kingdom
• John Lyon School, a private school, the day school of the famous Harrow School
• Harrow College, the main community college of Harrow, London

Stations:

• North Harrow tube station, in North Harrow, on the Metropolitan Line of the London Underground
• West Harrow tube station, in Harrow, on the Metropolitan Line of the London Underground
• South Harrow tube station, on the Piccadilly Line of the London Underground
• Harrow & Wealdstone station, on the boundaries of Harrow and Wealdstone, of the London Underground and National Rail
• Harrow-on-the-Hill station, in Harrow, of the London Underground and National Rail

Other meanings:

• Harrow football, a football style played exclusively at Harrow School
• The Harrow, a fantasy and horror magazine
• Handley-Page HP.54 Harrow, a bomber aircraft of the 1930s for the British Royal Air Force
• Harrow, Ontario, a small town located in Essex County, Canada