- BTP
- Budget
- Budget flessibile
- Build
- Bullish Market
- Bund
- Business
- Business Confidence
- Business game
- Business plan
- BUY
- Buy Back
- Buyer
- Buyers market
- By-product
- Byte
- C. & F.
- Cac 40
- Call
- Call center
- Cambiale
- Canale
- Canale distributivo
- Canvass
- Canvassing
- Cap Level
- Capacity
- Capital gain
- Capital Gain - Capital Loss
- Capital goods