Flag of Anne Arundel County, Maryland.svg
Seal of Anne Arundel County, Maryland.svg

Anne Arundel County (/əˈrʌndəl/), also notated as AA or A.A. County, is a county located in the U.S. state of Maryland. As of the 2010 United States Census, its population was 537,656. Its county seat is Annapolis.