The Commissioner of Police of the Metropolis is the head of London's Metropolitan Police Service. Sir Mark Rowley was appointed to the post on 8 July 2022 after Dame Cressida Dick announced her resignation in February 2022.

The Metropolitan Police Service (MPS), also officially known as the Metropolitan Police, which is still its common name, serves as the territorial police force responsible for law enforcement and crime prevention within the ceremonial county of Greater London. In addition, it is responsible for specialised tasks throughout the United Kingdom, such as UK counter-terrorism measures, and the protection of certain individuals, including the monarch, royal family, governmental officials, and other designated figures. Commonly referred to as the Met, it is also referred to as Scotland Yard or the Yard, after the location of its original headquarters in Great Scotland Yard, Whitehall in the 19th century. Its present headquarters are near there at New Scotland Yard on the Victoria Embankment.