William Kelley is the name of: William K. Kelley, Deputy White House Counsel for the George W. Bush administration William Donald Kelley (1925–2005), orthodontist and inventor of alternative cancer treatments William D. Kelley (1814–1890), U.S. Representative from Pennsylvania William Melvin Kelley (1937–2017), novelist and professor at Sarah Lawrence College, 2008 winner of the Anisfield-Wolf Book Award for lifetime achievement Bill Kelley (American football) (1926–2015), American football tight end who played for the Green Bay Packers in 1949 William Kelley (screenwriter), Academy Award-winning screenwriter of Witness William B. Kelley (1942–2016), Chicago gay activist and lawyer