The name Blackwell can refer to many places, people, and things.
Places
In the United Kingdom:
Blackwell, County Durham, England
Blackwell, Cumbria, England
Blackwell, Bolsover, Alfreton, Derbyshire, England
Blackwell, Buxton, Derbyshire, England
Blackwell, Somerset, England
Blackwell, Sussex, England
Blackwell, Warwickshire, England
Blackwell, Worcestershire, England
Blackwells End, Gloucestershire, England
Blackwells, Glamorgan, Wales
In the United States of America:
Blackwell, Oklahoma
the Blackwell meteorite of 1906, which fell in Oklahoma, United States (see Meteorite falls)
Blackwell, Texas
Blackwell, Wisconsin
an alternative name for Roosevelt Island
People
Ace Blackwell, fictional character
Alexander Blackwell, Scots adventurer
Alice Stone Blackwell
Basil Blackwell, founder of Blackwell's
Ben Blackwell
Brian Blackwell, an English schoolboy who murdered his parents
Bumps Blackwell, American songwriter and record producer
Carlyle Blackwell
Chad Blackwell
Chris Blackwell, founder of Island Records
David Blackwell, mathematician
Ed Blackwell, jazz drummer
Elise Blackwell
Elizabeth Blackwell, physician
Emily Blackwell
Ernley Blackwell
Ewell Blackwell
Francis Blackwell
Francis Blackwell Forbes, merchant and botanist
Grey Blackwell
Henry B. Blackwell, husband of Lucy Stone
Henry Blackwell, cricketer
Ian Blackwell
Jerry Blackwell
Julius W. Blackwell
Ken Blackwell, American politician
Kevin Blackwell
Leslie Blackwell, Canadian politician
Lucien E. Blackwell
Morton Blackwell
Otis Blackwell, American songwriter
Paul Blackwell
Robert Blackwell, American songwriter, nicknamed "Bumps"
Roger Blackwell, marketing expert and public speaker
Samuel C. Blackwell, husband of Antoinette Brown
Scrapper Blackwell, American blues guitarist
Sue Blackwell
Thomas Blackwell, (1701-1757), Scottish classical scholar
Mr. Blackwell, fashion critic best known for his annual "worst dressed" lists