Carney is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. The population was 29,941 at the 2010 census.

Maryland Route 147 is a state highway in the U.S. state of Maryland. Known as Harford Road, the state highway runs 18.82 miles (30.29 km) from U.S. Route 1 and US 40 Truck in Baltimore north to US 1 and US 1 Business in Benson. MD 147 is an alternate route to US 1 between Baltimore and Bel Air, the county seat of Harford County. The state highway is the main street of several neighborhoods in Northeast Baltimore and the Baltimore County suburbs of Parkville and Carney. MD 147 is maintained by the Maryland State Highway Administration in Baltimore and Harford counties and by the Baltimore City Department of Transportation within the city. Harford Road was a pair of turnpikes before the Baltimore–Carney portion of the highway was designated one of the original state roads. The Baltimore County section of MD 147 was constructed in the early 1910s and widened multiple times in the late 1920s and 1930s. The section of the state highway in Harford County was built in the late 1920s.