Tillotson is both a surname and a given name. Notable people with the name include:
Constance Tillotson, American actor and film director
Giles Tillotson (21st century), British historian
John Tillotson (1630–1694), Archbishop of Canterbury
Johnny Tillotson (born 1939), American singer and songwriter
Lee Stephen Tillotson (1874–1957), American military officer
Mary Tillotson (21st century), American broadcast journalist
Maurice Tillotson (born 1944), New Zealand footballer
Neil Tillotson (1898–2001), American inventor
Pete Tillotson (born 1936), American basketball player
Robert L. Tillotson (1786-1878), American lawyer and politician
Roy Tillotson (1891–1962), American coach
Stephen Tillotson (1884-?), English footballer
Thad Tillotson, American baseball player
Thomas Tillotson (1750–1832), American politician
Tillotson Terrell (1785–1838), one of the first twenty settlers of Ridgeville Township
