Massey John Henry Lopes, 4th Baron Roborough, Baron Lopes (born 22 December 1969) is a British hereditary peer and Conservative member of the House of Lords.
Roborough became a member of the House in October 2022, after being one of the two winners in a hereditary peers' by-election to replace both the Viscount Ullswater and the Lord Colwyn.
According to his candidate statement, Roborough had spent his career in investment banking and management; he is married with five children and divides his time between London and Devon.
In May 2026, it was announced that he was to be given one of 26 new life peerages, returning him to the House of Lords after the coming into force of the House of Lords (Hereditary Peers) Act 2026. He was reintroduced to the House as Baron Lopes, of Ditsworthy in the County of Devon on 10 June 2026.