Woodlawn is an unincorporated community and census-designated place in Baltimore County, Maryland.

[3] It is home to the headquarters of the Social Security Administration (SSA) and the Centers for Medicare and Medicaid Services (CMS).

It is bordered by Catonsville on the south, by the Patapsco River and Howard County on the west, by Randallstown and Lochearn to the north, and by the City of Baltimore to the east.

The Lorraine Park Cemetery Gate Lodge and St. Mary's Episcopal Church were listed on the National Register of Historic Places in 1985.

[5] According to the United States Census Bureau, the CDP has a total area of 9.6 square miles (24.9 km2), all land.

These include: The Security Boulevard corridor is part of the route of the proposed Red Line.