Ilott is a surname. Notable people with the surname include:
Callum Ilott (born 1998), British racing driver Florence Ilott (1913–2002), English amateur sprinter Mark Ilott (born 1970), English cricketer Nigel Ilott (born 1965), English cricketer Percy Ilott (1916–2001), Australian footballer Ray Ilott (1948–2016), Australian footballer Roger Ilott (born 1951), Australian folk musician