David Simon is an American author, journalist, writer, and producer. He worked for the Baltimore Sun City Desk for twelve years (1982–95) and wrote Homicide: A Year on the Killing Streets (1991) and co-wrote The Corner: A Year in the Life of an Inner-City Neighborhood (1997) with Ed Burns.

The former book was the basis for the NBC series Homicide: Life on the Street (1993–99), on which Simon served as a writer and producer. Simon adapted the latter book into the HBO mini-series The Corner (2000).