Cockerill is a surname. Notable people with the surname include:
Sport and sportsmenGlenn Cockerill, English football managerHarry Cockerill (footballer) (1894–1960), English footballerJohn Cockerill (footballer), British football playerKay Cockerill, American golferMike Cockerill, Australian football journalistRichard Cockerill, English rugby playerRicky Cockerill, New Zealander figure skaterRon Cockerill, English football playerSamuel Cockerill, English cricketerOther peopleHarry Cockerill (1899–1987), Australian politicianJohn Cockerill (industrialist), British businessman and founder of John Cockerill & Cie. (later SA John Cockerill), son of WilliamJoseph R. Cockerill, U.S. RepresentativeGeorge K. Cockerill (1867–1957), British Army officer and Conservative Member of Parliament for Reigate 1918–1931George Cockerill (journalist) (1871–1943), Australian journalist and writeWilliam Cockerill, British entrepreneur of the Industrial Revolution