CEG

CEG may refer to:

• CEG Worldwide - an American financial coaching company
• Conservative Europe Group - a political group affiliated to the UK Conservative Party
• College of Engineering, Guindy
• Custom Executable Generation, an anti-piracy measure devised by Steam
• Corvette Evolution GT, a PlayStation 2 and Nintendo DS video game
• Constellation Energy, ticker CEG
• Cefaloglycin, by trade name CEG