- Chief Information Officer (CIO)
- Child Care/Elder Care
- Child Labor
- China, Doing Business in
- Civil Rights Act of 1991
- Clean Air Act
- Clean Water Act
- Closed Economy
- Closely Held Corporations
- Commercial Attaché
- Commercial Credit Reporting
- Commercial Law
- Commercial Loan
- Commission of the European Communities
- Commodities
- Commodity Exchanges
- Commodity Futures Trading Commission
- Commodity Futures-Spreads
- Common Stock
- Communication in Organizations
- Comparable Worth
- Compensation Administration
- Competition
- Competitive Intelligence (CI)
- Compliance Auditing
- Comprehensive Environmental Response, Compensation & Liability Act (CERCLA) of 1980 (Superfund)
- Computer Conferencing
- Computer Fraud
- Computer Networks
- Computer Security
