The 1977 Commonwealth Heads of Government Meeting, officially known as the IV Commonwealth Heads Meeting, and commonly known as London 1977, was the fourth Meeting of the Heads of Government of the Commonwealth of Nations. It was held in London, United Kingdom, and was hosted by that country's Prime Minister, James Callaghan. President Idi Amin of Uganda did not attend, and on the eve of the meeting President James Mancham of the Seychelles was overthrown in a coup d'état and the country was not represented.
