Jack Bruce Johnson (born April 3, 1949) is a former American politician and lawyer. He was a Maryland state's attorney and was, from 2002 to 2010, the county executive of Prince George's County, Maryland. He was elected state's attorney in November 1994 and served as county executive from December 2002 to December 2010. On November 12, 2010, both Johnson and his wife were indicted on federal charges as part of a larger political corruption scandal in the county.