Fairley is a surname. Notable people with the surname include:
Barker Fairley (1887–1986), British-born Canadian painter and writer
Brian Fairley (b. 1959), former Scottish football manager
Caleb Fairley (b. 1974), American murderer
Darlene Fairley (b. 1943), Washington State Senator
Gordon Hamilton-Fairley (1930–1975), Australian oncologist
Ian Fairley (b. 1964), former Australian rules footballer
Leonard Fairley (born 1951), American football player
Margaret Fairley (1885–1968), Canadian writer
Michelle Fairley, Northern Irish actress
Neil Hamilton Fairley (1891–1966), Australian soldier and physician
Nick Fairley (b. 1988), American football player
Peter Fairley (1930–1998), British science journalist
Sam Fairley (b. 1980), New Zealand cricketer
Fiona Hamilton-Fairley, founder and CEO of 'The Kids Cookery School' in London
Jon Fairley, (b. 1973) Racing driver, Huddersfield UK