- Costo standard
- Coupon
- Couponing
- Coverage
- Covered Warrant
- Cpi-Ppi
- CPM (Critical Path Method)
- Creative director
- Credito Totale Interno
- Cross Order
- Cross product offers
- Cross Selling
- Crowner
- Customer
- Customer promotion
- Cut price
- Dépliant
- Deal
- Dealer
- Dealer aid
- Deals
- Decision makers
- Decoding
- Deflazione
- Demand & supply
- Demarketing (o contromarketing)
- Department store
- Depth interview
- Design
- Designer