Tilley is a surname. Notable people with the surname include:
Arthur Augustus Tilley (1851–1942), academic of the University of Cambridge
Benjamin Franklin Tilley (1848–1907), officer in the United States Navy
Cecil Edgar Tilley (1894 – 1973), Australian-British petrologist and geologist.
Christopher Tilley (19?? – ) British archaeologist
Edward Tilley (Mayflower passenger) (1588–1620/1), Mayflower passenger and signer of the Mayflower Compact
Jack L. Tilley (1948 – ), 12th Sergeant Major of the U. S. Army
John Tilley (Mayflower passenger) (1571 – 1621), Mayflower passenger and signer of the Mayflower Compact
Sir John Tilley (1813–1898), Secretary to the General Post Office
Sir John Anthony Cecil Tilley (1869–1952), British ambassador
Leonard Percy de Wolfe Tilley (1870 – 1947), 21st Premier of New Brunswick
Matt Tilley (1969 – ), Australian radio presenter and comedian
Patrick Tilley (1928 – ), British science fiction author
Samuel Leonard Tilley (1818–1896), politician in the Canadas
Sandra Tilley (1943 – 1981), U.S. R&B and soul singer
Steven Tilley (1971 – ), Speaker of the Missouri House of Representatives
Vesta Tilley (1864 – 1952), English male impersonator
