John Cockerill

• John Cockerill (industrialist), 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, which split off from Cockerill-Sambre
• John Cockerill (footballer), English former professional football player and manager