Other
- Battle of the Harrow, first clash of the Irish Rebellion of 1798
- Handley Page Harrow (disambiguation), several British aircraft
- Harrow RFC, a rugby club
- Harrowing of Hell, a Christian doctrine that states that Jesus Christ "descended into Hell"
- Harrowing or Harrying of the North, a series of campaigns waged by William the Conqueror in the winter of 1069–1070 to subjugate Northern England as part of the Norman conquest of England
- Harrow football, a football style played exclusively at Harrow School
- Harrow History Prize, for children at British preparatory schools
- The Harrow, a fantasy and horror magazine
- Harrow, the name of a size of Cricket bat
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