John Cockerill

John Cockerill may refer to:
 * John Cockerill (industrialist) (1790–1840), English-born entrepreneur who became prominent in Belgium
 * John Cockerill & Cie., founded by John Cockerill, later known as Société anonyme John Cockerill
 * John Cockerill (company), formerly Cockerill Maintenance & Ingénierie (CMI), which split off from Cockerill-Sambre
 * John Cockerill (footballer) (born 1961), English former professional football player and manager