Bligh may refer to:
- William Bligh, a Vice-Admiral in the British Royal Navy famous for being Captain of HMS Bounty during a mutiny and Governor of New South Wales during the military coup in Australia (1808)
- HMS Bligh (K-467) a Buckley class destroyer escort, named after William Bligh
- Bligh Water, a shallow marine area (approximately 9500 km² in extent) in western Fiji, named after William Bligh
- Bligh Reef, a reef in Prince William Sound, Alaska, named after William Bligh
- Bligh Island Marine Provincial Park is a provincial park in British Columbia, Canada, named after William Bligh
- Richard Bligh, legal writer
- Richard Rodney Bligh, Royal Navy admiral
- Anna Bligh, the Premier of Queensland
- George Miller Bligh, Royal Navy captain
- Electoral district of Bligh, an electoral district of the Legislative Assembly in the Australian state of New South Wales
- Bligh Park, New South Wales, a suburb of Sydney, in the state of New South Wales, Australia
- Ivo Bligh, 8th Earl of Darnley, a cricketer who captained the English cricket team in 1882/3
- Jasmine Bligh, one of the first three BBC Television Service presenters in the 1930s
- Bligh Place, Melbourne, a street in Melbourne, Victoria
- Bligh Roosters, a rugby union franchise based in Tavua
- Edward Bligh, 2nd Earl of Darnley, an English peer
- Thomas Bligh, British general
- Algernon Bligh, English cricketer
- Bligh, an Australian sitcom starring members of the cast of Fast Forward