Hinkley is a surname. Notable people with the surname include:
Aaron Hinkley (born 1999), English rugby union player Clayton Hinkley (born 1989), Australian rules footballer Daniel J. Hinkley, American horticulturist David V. Hinkley (1944–2019), American statistician George C. Hinkley (1862–1936), American businessman and politician Ken Hinkley (born 1966), Australian rules footballer and coach Leonard Hinkley (1839–1918), American politician in Wisconsin Tim Hinkley (born 1946), English musician Tommy Hinkley (born 1960), American actor Warren J. Hinkley (1870–1933), American politician
Fictional characters: Ralph Hinkley, character in the television series The Greatest American Hero Roy Hinkley, character in the television series Gilligan's Island
See also Hinckley (surname)