Crampton is a surname of Anglo-Saxon origination, from Crompton in Lancashire, which may refer to the following persons:
- Albert M. Crampton (1900-1953), American jurist
- Barbara Crampton (born 1959), American actress
- Bruce Crampton (born 1935), Australian golfer
- Gertrude Crampton (born 1905), American author
- Henry Crampton (1875–1956), American paleontologist and evolutionary biologist
- Howard Crampton (1865–1922), American actor
- Sir John Crampton, 2nd Baronet (1805–1886), British diplomat
- John Crampton (1921–2010) English aviator
- Mark Crampton, English journalist and historian
- Matthew Crampton (born 1986), English cyclist
- Peter Crampton (politician) (1932–2011), English politician
- Peter Crampton (athlete) (born 1969), British sprinter
- Robert Crampton (born 1964), English journalist
- Thomas Russell Crampton (1816–1888), English engineer
- William Crampton, British vexillologist
See also:
- Barbara Mary Crampton Pym, novelist
- Crampton Hodnet, a novel by Barbara Pym
- Duncan Stuart Crampton Bell
- Philip Crampton Smyly
- William Crampton Gore
The following locations:
- Crampton's Gap
- Crampton Island
Other:
- Crampton locomotive
- 6-2-0 locomotive (American usage)