Tillotson is both a surname and a given name. Notable people with the name include:John Tillotson (1630–1694), Archbishop of Canterbury
Thomas Tillotson (1750–1832), American politician
Robert L. Tillotson (1786–1878), American lawyer and politician
Lee Stephen Tillotson (1874–1957), American military officer
Stephen Tillotson (1884–?), English footballer
Roy Tillotson (1891–1962), American coach
Neil Tillotson (1898–2001), American inventor
Joseph Wirt Tillotson (1905–1959), American artist, also known by his pulp artist name Robert Fuqua
Pete Tillotson (1936–2018), American basketball player
Johnny Tillotson (1938–2025), American singer and songwriter
Thad Tillotson (1940–2012), American baseball player
Maurice Tillotson (1944), New Zealand footballer
Giles Tillotson (1960), British historian
Mary Tillotson, American broadcast journalist and media lecturer
Constance Tillotson, American actor and film director