David L. Armstrong (born August 6, 1941) was mayor of Louisville, Kentucky from 1999 to 2003.Armstrong was born in Hope, Arkansas. Prior to becoming mayor, he had served as Jefferson County Judge/Executive since 1989. He was raised in Madison, Indiana. He attended Hanover College, where he became a member of the Sigma Chi Fraternity, before graduating from Murray State University in 1966. He earned a J.D. from the University of Louisville school of law in 1969. Armstrong then worked in the public and private sector, including a term as a family court judge and election as Jefferson County's Commonwealth's Attorney, the local felony prosecutor. In 1983 Armstrong was elected Attorney General of Kentucky. He ran unsuccessfully for Lieutenant Governor in 1987, losing in the Democratic primary to Brereton C. Jones.