Sir Michael Cameron St John Birt, QC (born 25 August 1948) was the 88th Bailiff of Jersey in the Channel Islands. Birt was educated in Jersey at St. Michael's Preparatory School then at Marlborough College. He went on to read law at Magdalene College, Cambridge. He was called to the English Bar in 1970 and practised as a barrister at 2 Crown Office Row for five years. He returned to Jersey and qualified at the Jersey Bar in 1977. In July 2009, he was appointed Bailiff, in succession to Sir Philip Bailhache.