John Williams
- Born
- 8 June 1937 (89 years)
- Place of birth
- Wrexham, North Wales, UK
- Gender
- Male
John Williams (born 8 June 1937) is a retired Welsh snooker referee. He refereed eleven World Snooker Championship finals, nine at the Crucible Theatre, including the 1985 final between Dennis Taylor and Steve Davis – the most watched snooker match in history.
