- BWA
- BWQ
- Byte
- C
- C-Commerce
- C2B / CtoB
- C2C
- CA
- Cache
- CAD
- CAE
- Cafeteria-Modell
- CAL
- Call
- Call back
- Call for Votes (CFV)
- Call-Center
- CAM
- CAP
- CAPEX
- Capital employed
- Capital Flow
- Capital reserves
- Capitalism 3.0/2.0/Web 2.0
- Cappuccino-Worker
- CAQ
- Carbon Copy
- Card Sorting Exercise
- Cardware
- CARE
- Career Limiting Move
- Carried Interest
- CAS
- Cascade
- CASE
- Case for Change
- Case study
- Cash Cow
- Cash Flow
- Cash Flow from Operations
- Cash4Clicks
- Casual Friday
- Catch 22
- CBI
- CC
- CCM
- CCM - Kürzel
- CCO
- CDM
- CE
- Censorware
- CEO (Chief executive officer)
- CEP
- CFBIT
- CFO
- CFO - Chief Fraud officer
- CFV
- Chairman
- Chairman-CEO
- Challenge