Metro is the United Kingdom's highest-circulation freesheet tabloid newspaper. It is published in tabloid format by DMG Media. The newspaper is distributed from Monday to Friday mornings on public places in areas of England, Wales and Scotland. Copies are also handed out to pedestrians.

Free newspapers are distributed free of charge, often in central places in cities and towns, on public transport, with other newspapers, or separately door-to-door. The revenues of such newspapers are based on advertising. They are published at different levels of frequencies, such as daily, weekly or monthly.