Montagu House

Montagu House or Montague House may refer to:

in England

• Montagu House, Bloomsbury, former mansion that became first home of the British Museum, also known as Montague House, since demolished
  • (a slang term for the The British Museum, on Great Russell Street, London, on site of former mansion)
• Montagu House, Portman Square, built for Elizabeth Montagu on Portman Square
• Montagu House, Whitehall, another London mansion

in the United States

• Henry Montague House, Kalamazoo, Michigan, listed on the National Register of Historic Places

in Australia

• Monty House (Montague Grant House, born 1946), Western Australian politician