Tilley is a surname. Notable people with the surname include:
Arthur Augustus Tilley (1851–1942), academic of the University of CambridgeBenjamin Franklin Tilley (1848–1907), officer in the United States NavyCecil Edgar Tilley (1894 – 1973), Australian-British petrologist and geologist.Christopher Tilley (19?? – ) British archaeologistEdward Tilley (Mayflower passenger) (1588–1620/1), Mayflower passenger and signer of the Mayflower CompactJack L. Tilley (1948 – ), 12th Sergeant Major of the U. S. ArmyJohn Tilley (Mayflower passenger) (1571 – 1621), Mayflower passenger and signer of the Mayflower CompactSir John Tilley (1813–1898), Secretary to the General Post OfficeSir John Anthony Cecil Tilley (1869–1952), British ambassadorLeonard Percy de Wolfe Tilley (1870 – 1947), 21st Premier of New BrunswickMatt Tilley (1969 – ), Australian radio presenter and comedianPatrick Tilley (1928 – ), British science fiction authorSamuel Leonard Tilley (1818–1896), politician in the CanadasSandra Tilley (1943 – 1981), U.S. R&B and soul singerSteven Tilley (1971 – ), Speaker of the Missouri House of RepresentativesVesta Tilley (1864 – 1952), English male impersonator