Cayley

Cayley may refer to:

People

 * Cayley (surname)
 * Cayley Illingworth (1759–1823), Anglican Archdeacon of Stow
 * Cayley Mercer (born 1994), Canadian women's ice hockey player

Places

 * Cayley, Alberta, Canada, a hamlet
 * Cayley/A. J. Flying Ranch Airport
 * Mount Cayley, a volcano in southwestern British Columbia, Canada
 * Cayley Glacier, Graham Land, Antarctica
 * Cayley (crater), a lunar crater

Other uses

 * Cayley baronets, a title in the Baronetage of England
 * Cayley computer algebra system, designed to solve mathematical problems, particularly in group theory