- B2B
- B2C
- Back selling
- Background
- Backlogs
- Balance sheet
- Banca Centrale
- Banca d'affari
- Banca d'Italia
- Banca Depositaria
- Banded deal
- Banded pack
- Bankitalia
- Banner
- Base
- Base multipla
- Base unica
- Baseline
- Basic consumer
- Basic consumer benefit
- Basic consumer promise
- Basis
- Basis Point
- Basket
- Bce
- Bearish Market
- Beige Book
- Benchmark
- Benchmark (Cw)
- Bene di Consumo