Plaistow may refer to:

• Plaistow, Bromley, south east London
  • Plaistow (Bromley ward), see List of electoral wards in Greater London#Bromley
• Plaistow, Derbyshire, in the List of places in Derbyshire
• Plaistow, Newham, east London
  • Plaistow (UK Parliament constituency), a parliamentary constituency from 1918 to 1950 within what has since become Newham
  • Plaistow (Newham ward), an electoral ward in Newham from 1964 until 2002
  • Plaistow North (ward), an electoral ward in Newham created in 2002
  • Plaistow South (ward), an electoral ward in Newham created in 2002
  • Plaistow tube station, a London Underground station in Newham
• Plaistow, West Sussex, a village and civil parish in Chichester district
  • Plaistow (Chichester ward), a former ward of Chichester
• Plaistow Green, Greenstead Green and Halstead Rural, Essex
• Plaistow Green, part of Cranbourne, a village near Windsor, Berkshire

• Plaistow, New Hampshire
• Plaistow Carhouse, a barn in Plaistow, New Hampshire

• Jeffrey Sterling, Baron Sterling of Plaistow (born 1934), UK life peer with land in Sussex