William Patterson (1752–1835) was a businessman, a gun-runner during the American Revolution, and a founder of the Baltimore and Ohio Railroad. His many business dealings included shipping, banking, and the Baltimore Water Company.

Patterson Park is an urban park in Southeast Baltimore, Maryland, United States, adjacent to the neighborhoods of Canton, Highlandtown, Patterson Park, and Butchers Hill. It is bordered by East Baltimore Street, Eastern Avenue, South Patterson Park Avenue, and South Linwood Avenue. The Patterson Park extension lies to the east of the main park, and is bordered by East Pratt Street, South Ellwood Avenue, and Eastern Avenue.