Michael Joshua Hyam (18 April 1938 – 8 July 2004), styled His Honour Judge Hyam, was a British judge. He was Recorder of London from 1998 until his death.
The son of Isaac and Rachel Hyam, Michael Hyam was educated at Westminster School and St Catharine's College, Cambridge, where he read Law, he was called to the bar in 1962 by Gray's Inn and joined 6 Pump Court, where he remained until his appointment to the bench. He specialised in the prosecution of complex fraud cases.