Watt (surname)
Watt is a surname. Notable people with the surname include:
- Watt of Sussex, Anglo-Saxon king
- Adam Watt, Australian boxer
- Alexander Watt, British plant ecologist
- Andrew Watt, American singer
- Alan Watt, Australian diplomat
- Allan Watt, Scottish sprinter
- Ben Watt, British musician and music producer
- Davey Watt, Australian speedway rider
- David Watt, British computer scientist
- David Gibson-Watt, British politician
- Derek Watt, American football player
- Douglas Watt, Canadian politician
- Eddie Watt, Major League Baseball pitcher
- Fiona Watt, British children's author
- Francis Watt, various people
- Geoff Watt, Australian runner
- George Watt, multiple people
- Hamish Watt, Scottish politician
- Ian Watt, literary historian
- James Watt, Scottish engineer, for whom is named the watt, the SI-derived unit of power
- James Watt Jr., English manufacturer, son of James
- James G. Watt, US Secretary of the Interior
- Jim Watt, Scottish boxer
- Joachim von Watt, birth name of Swiss scholar Joachim Vadian
- Jonathan Watt, English cricketer
- Joseph Watt, Scottish VC recipient
- Joseph M. Watt, American judge
- J. J. Watt, American football player
- Katherine Christie Watt, Scottish nurse and civil servant
- Kathy Watt, Australian cyclist
- Lawrence Watt-Evans, American fantasy writer
- Leslie Watt, New Zealand cricketer
- Mel Watt, American politician
- Michael Watt, multiple people
- Mike Watt, American musician
- Mike Watt, multiple people
- Mitchell Watt, Australian track and field athlete
- Mitchell Watt, American basketball player
- Nicole Watt, Canadian skater
- Norman Watt-Roy, bassist of Ian Dury and The Blockheads
- Phil Watt, English footballer
- Richard Harding Watt, designer of buildings in Knutsford, Cheshire
- Robert Watt, Canadian herald
- Robert Watson-Watt, British developer of radar
- Sanchez Watt, English footballer
- Sarah Watt, Australian film director
- Sheila Watt-Cloutier, Canadian activist
- Steven Watt, footballer
- T. J. Watt, American football player
- Tom Watt, Canadian hockey coach
- Tom Watt, British actor, journalist and radio DJ
- Tommy Watt, Scottish bandleader
- Tony Watt, Scottish footballer
- William Watt, multiple people
- Chris Watt, American football player
