The Baltimore Police Department (BPD) is the municipal police department of the city of Baltimore, Maryland. Dating back to 1784, the BPD, consisting of 2,935 employees in 2020, is organized into nine districts covering 80.9 square miles (210 km2) of land and 11.1 square miles (29 km2) of waterways. The department is sometimes referred to as the Baltimore City Police Department to distinguish it from the Baltimore County Police Department.

The Baltimore County Police Department is the primary law enforcement agency for Baltimore County, Maryland. They have been accredited by Commission on Accreditation for Law Enforcement Agencies (C.A.L.E.A.) since 1984.