B
- Morwenna Banks, comedian and actress
- Jonah Barrington, squash player
- the Basset family, landowners and tin mining entrepreneurs who owned Tehidy Country Park
- Tom Bawcock, legendary fisherman from Mousehole
- Vanessa Beeman Former Grand Bard of Gorseth Kernow
- William Bickford, inventor of the safety fuse
- Lamorna Birch, artist and member of the Newlyn School
- Sheila Bird, local history writer from Falmouth
- William Bligh, captain of the ship Bounty
- Janie Bolitho, crime writer
- Thomas Bond, topographer from Looe
- Admiral Edward Boscawen, a naval commander in the Royal Navy known as "Old Dreadnought"
- John Boson, Nicholas Boson, and Thomas Boson, 18th-century writers in the Cornish language
- Maria Branwell, mother of the Brontë sisters
- James Silk Buckingham, author, journalist and traveller
- Barry Bucknell, the original DIY TV presenter, who lived at St Mawes
- W. J. Burley, author of the Wycliffe series of crime novels
Read more about this topic: List Of People From Cornwall