'''Illingworth''' may refer to:

==People== *Albert Illingworth, 1st Baron Illingworth (1865–1942), British businessman and politician *Alfred Illingworth (1827–1907), English worsted spinner and politician *A. E. Illingworth (1868–1942), Australian Church of Christ minister *Charlie Illingworth (1871–1926), Australian rules footballer *Charles Illingworth (1899–1991), British surgeon *Eddie Illingworth (born 1938), Australian cricketer *Edward Illingworth (1896–1924), English cricketer *Francisco Illingworth (1905–1982), Vice President of Ecuador *Frederick Illingworth (1844–1908), Australian land agent and politician *George Illingworth (1877–1950), Australian politician *Illingworth Kerr (1905–1989), Canadian landscape painter *James Illingworth (born ?), British Army officer *Jeremy Illingworth (born 1977), English footballer *Jim Illingworth (1901–1967), Australian rules footballer *John Illingworth (English Officer) (1786–1853), British naval officer, Ecuadorian Founding Father, South American Admiral *John Illingworth (yacht designer) (1903–1980), British naval architect *John Illingworth (footballer) (1904–1964), English footballer *John Lister Illingworth Fennell (1918–1992), British historian *J. R. Illingworth (1848–1915), British Anglican priest and academic *Julian Illingworth (born 1984), American professional squash player *Leslie Gilbert Illingworth (1902–1979) British cartoonist *Lucy Illingworth, English pianist *Max Illingworth (born 1992), Australian Chess Grandmaster *Nelson Illingworth (1862–1926), English sculptor *Nigel Illingworth (born 1960), English cricketer *Percy Illingworth (1869–1915), British politician *Philip Illingworth (born 1948), Canadian judoka *Ray Illingworth (1932–2021), English cricketer *Richard Illingworth (born 1967), English cricketer and umpire *Ronald Illingworth (1909–1990), British paediatrician *Sarah Illingworth (born 1963), New Zealand cricketer *Simon Illingworth (born 1967), Australian anti-corruption spokesman *William Illingworth (archivist) (1764–1845), English lawyer and archivist *William H. Illingworth (1844–1893), English photographer ;Fictional *Lord Illingworth, a fictional character from the 1893 play ''A Woman of No Importance'' by Oscar Wilde

==Places== *Firebase Illingworth, a former United States Army firebase in southwestern Vietnam *Illingworth, Alberta, a locality in Canada *Illingworth, West Yorkshire, England, a suburb of Halifax

{{disambiguation|geo|surname}}