Tillotson is both a surname and a given name. Notable people with the name include:
Constance Tillotson, American actor and film directorGiles Tillotson (21st century), British historianJohn Tillotson (1630–1694), Archbishop of CanterburyJohnny Tillotson (born 1939), American singer and songwriterLee Stephen Tillotson (1874–1957), American military officerMary Tillotson (21st century), American broadcast journalistMaurice Tillotson (born 1944), New Zealand footballerNeil Tillotson (1898–2001), American inventorPete Tillotson (born 1936), American basketball playerRobert L. Tillotson (1786-1878), American lawyer and politicianRoy Tillotson (1891–1962), American coachStephen Tillotson (1884-?), English footballerThad Tillotson, American baseball playerThomas Tillotson (1750–1832), American politicianTillotson Terrell (1785–1838), one of the first twenty settlers of Ridgeville Township