Prefect is a magisterial title of varying definition, but which, basically, refers to the leader of an administrative area. It may also refer to:
Officials Ancient Rome Urban prefect, prefect of the city of Rome, later of Constantinople Praetorian prefect, a high official, originating as the commander of the Praetorian Guard
Roman Catholic Church Apostolic prefect, a priest who heads an apostolic prefecture, a missionary area where the Catholic Church is not yet sufficiently developed to have it made a diocese
France Prefect (France), (), the French state's representative in a department or region Prefect of Police (), head of the Prefecture of Police (), an agency of the Government of France Maritime Prefect, a servant of the French state who exercises authority over the sea in one particular region (a Préfecture maritime) Prefect of Saint Pierre and Miquelon, the local representative of the President of France and in effect the governor or executive officer of the territory
Romania Prefect (Romania), an official of the national government assigned to each county
Transportation Ford Prefect, a line of British cars produced by the UK division of Ford Motor Company Slingsby Prefect, a 1948 British modernisation of the 1932 single-seat Grunau Baby glider Grob G 120TP, an aircraft which in British service is called the Prefect
Arts and entertainment The Prefect, a 2007 science fiction novel by Alastair Reynolds Ford Prefect (character), in The Hitchhiker's Guide to the Galaxy The Prefects, a British punk band
Other uses , a Royal Navy net laying ship in the Second World War School prefect, in some schools, a pupil who has been given certain responsibilities, or, in other schools, some positions with varying responsibilities