Critchley (also spelled Chritchley) is an Anglo-Saxon surname. Notable people with the surname include:
- Alexander Critchley (1893–1974), English politician and Conservative MP for Liverpool Edge Hill
- Alfred Cecil Critchley (1890–1963), Canadian-English entrepreneur and national politician
- Bruce Critchley (born 1942), British sports commentator
- Emily Critchley (born 1980), English poet and writer
- Hilary Critchley (born before 1978), British academic in the field of reproductive medicine
- Jack Critchley (1892–1964), Australian politician
- James Sidney Critchley (1865–1944), first works manager and a director of Daimler Motor Company
- Jason Critchley (born 1970), Welsh rugby player
- Julian Critchley (1930–2000), English national politician, journalist and writer
- Laura Critchley English singer-songwriter
- MacDonald Critchley (1900–1997), English neurologist
- Matt Critchley (born 1996), English cricketer
- Morrie Critchley (1850–1910), American baseball pitcher
- Neil Critchley (born 1978), English footballer
- Oswald Critchley (1864–1935), English-Canadian provincial politician, pioneer and rancher
- Pat Critchley, Irish athlete
- Ron Critchley, (born 1940), Australian Rules footballer
- Simon Critchley (born 1960), English philosopher and academic
- Ted Critchley (1903–1996), English footballer
- Tom Critchley (1916–2009), Australian diplomat