John Wallop (disambiguation)

John Wallop may refer to:

• John Wallop, soldier and diplomat
• John Wallop (died 1405), MP for Salisbury (UK Parliament constituency)
• John Wallop, 1st Earl of Portsmouth (1690–1762)
• John Wallop, 2nd Earl of Portsmouth (1742–1797)
• John Wallop, 3rd Earl of Portsmouth (1767–1853)