William Kelley
William Kelley may refer to:
- William Kelley , American baseball player
- William K. Kelley, deputy White House counsel for the George W. Bush administration
- William Donald Kelley, orthodontist and inventor of alternative cancer treatments
- William D. Kelley, U.S. representative from Pennsylvania
- William Melvin Kelley, African-American novelist and short-story writer
- Bill Kelley , American football tight end who played for the Green Bay Packers in 1949
- William Kelley , American screenwriter and producer
- William B. Kelley, Chicago gay activist and lawyer
- William Nimmons Kelley, American physician