Wallop is a defunct social networking service.

Wallop or Wallops may also refer to:

• Farleigh Wallop, a small village and civil parish in Hampshire, England
• Middle Wallop, a village in Hampshire, England
• Nether Wallop a village in Hampshire, England
• Over Wallop, a village in Hampshire, England
• Wallops Island, Virginia, USA
  • Wallops Island National Wildlife Refuge
  • Wallops Flight Facility, a rocket launch site

• Baron Wallop, a subsidiary title of the Earl of Portsmouth

• Douglass Wallop (1920–1985), American novelist and playwright
• Gerard Wallop, 9th Earl of Portsmouth (1898–1984), English aristocrat
• Henry Wallop (c. 1540–1599), English statesman
• John Wallop (c. 1490–1551), English soldier and diplomat
• John Wallop (died 1405), MP for Salisbury
• John Wallop, 1st Earl of Portsmouth (1690–1762), English aristocrat
• John Wallop, 2nd Earl of Portsmouth (1742–1797), English aristocrat
• John Wallop, 3rd Earl of Portsmouth (1767–1853), English aristocrat
• Malcolm Wallop (1933–2011), Republican politician and United States Senator from Wyoming
• Newton Wallop, 6th Earl of Portsmouth (1856–1917), English aristocrat
• Robert Wallop (1601–1667), English politician, regicide of King Charles I

• Wallop (album), a 2019 album by !!!
• The Wallop, 1921 film starring Harry Carey
• WALLOPS, an Internet Relay Chat command

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