William Harrington

William Harrington may refer to:
 * William J. Harrington, politician in Manitoba, Canada
 * William F. Harrington (1920–1992), American biochemist
 * William D. Harrington (1832–1904), Nova Scotia politician
 * William Harrington (Irish cricketer) (1869–1940), Irish cricketer
 * William Harrington (English cricketer) (1915–1988), English cricketer
 * William Harrington (knight) (died 1440), English knight
 * William Harrington (priest) (1566–1594), English Jesuit priest and Martyr
 * William Harrington (MP) (died 1488), Member of Parliament for Lancashire
 * William Harrington (artist) (born 1941), Irish artist
 * Bill Harrington (broadcaster) (1926–1998), American sportscaster, children's television host, and news reporter
 * Bill Harrington (baseball) (1927–2022), American baseball pitcher
 * Bill Harrington (Australian footballer) (born 1942), Australian rules footballer for Footscray
 * Bill Harrington (Irish footballer), Irish international footballer