Oslo Police District (Norwegian: Oslo politidistrikt) is the largest police district in Norway. The Police District of Asker og Bærum and Oslo Police District are from January 1, 2016 merged into one, and kept the name Oslo Police District. The police district comprises three municipalities, Oslo, Asker and Bærum. It has a total population of around 800,000 people. Oslo Police District has seven police stations in charge of policing duties, including assignments in terms of order, prevention and investigation purposes in the surrounding areas.

The Police Authority also has special sections for the investigation of serious crime. The investigation led formally by police lawyers, belonging to prosecutors.

Serious drug cases and robbery cases are investigated by the Section for organized crime, homicide cases and cases involving sexual crimes investigated by the Division of Violence and sexual crimes, while serious forms of economic crime investigation by the Financial and Environmental Crime Section. Traffic and sea buffet includes Trafikkorpset and Harbor Police and a specialist on criminal offenses related to the capital's traffic by land and sea. The Police is headquartered at Grønlandsleiret 44 at Grønland in Oslo.

Western unit

Unit of central Oslo

Eastern unit

Emergency telephone number is ☎ 112, non emergency calls at ☎ 02800 or ☎ (+47)22 66 90 50.

Oslo Police disposal units that move on land (mounted police in addition to patrols on foot, by car and motorcycle), sea (Harbor Police) and by air (helicopter).