James Watt (disambiguation)
James Watt was a Scottish engineer and inventor of a revolutionary new steam engine.
James or Jim Watt may also refer to:
- James Watt, Jr , Scottish engineer, businessman and activist
- HMS James Watt, steam- and sail-powered Royal Navy ship named after the inventor
- James Cromar Watt, Scottish artist, architect and jeweller
- James Watt , Scottish actuary and geographer
- James Watt College, Greenock, Scotland
- Jim Watt , New Zealand rugby union player and paediatrician
- James Russell Watt, New Zealand rugby union player
- Sir James Watt , British surgeon, Medical Director-General of the Royal Navy
- James G. Watt, US Secretary of the Interior
- Jim Watt , Scottish boxer
- Jim Watt , American ice hockey player
- James Watt , British ambassador
- James Angus Watt , Canadian financial advisor
- James Watt , former Northern Irish loyalist paramilitary
- James Watt , founder of BrewDog
- James Watt , New Zealand tennis player