Critchley is a surname shared by several notable people:
- Alexander Critchley (1893–-1974), British Conservative politician for Liverpool Edge Hill
- Alfred Critchley (1890–1963), Canadian-English entrepreneur and national politician
- James Sidney Critchley (1865–1944), first Works Manager and a director of Daimler Motor Company
- Julian Critchley (1930–2000), English national politician, journalist and writer
- Laura Critchley (living), British singer-songwriter
- MacDonald Critchley (1900–1997), British neurologist
- Oswald Critchley (1864–1935), English-Canadian provincial politician, pioneer and rancher
- Pat Critchley (living), Irish athlete
- Simon Critchley (born 1960), English philosopher and academic
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