A postmaster is the head of an individual post office. Postmaster may also refer to: Postmaster (computing), the administrator of an email server Postmaster, a senior undergraduate scholar of Merton College, Oxford (Latin portionista; as opposed to a junior undergraduate scholar, known as an Exhibitioner) Operation Postmaster, a British WW2 clandestine military action Der Postmeister, or The Postmaster, 1940 German film Postmaster (film), a 2016 Bengali film Postmaster (occupation), an individual who let horses, riders (postilions) and handled other business from a post house