| Club: | S.L. Benfica B |
| Season: | 2022–23 |
| Chrtitle: | President |
| Chairman: | Rui Costa |
| Mgrtitle: | Head coach |
| Manager: | Luís Castro |
| Stadium: | Benfica Campus |
| League: | Liga Portugal 2 |
| League Result: | 15th |
| Pattern La1: | _benfica2223h |
| Pattern B1: | _benfica2223H |
| Pattern Ra1: | _benfica2223h |
| Pattern Sh1: | _adidasred |
| Pattern So1: | _adidaswhitel |
| Leftarm1: | FF0000 |
| Body1: | FF0000 |
| Rightarm1: | FF0000 |
| Shorts1: | FFFFFF |
| Socks1: | FF0000 |
| Pattern La2: | _slbenfica2223a |
| Pattern B2: | _benfica2223a |
| Pattern Ra2: | _slbenfica2223a |
| Pattern Sh2: | _slbenfica2223a |
| Pattern So2: | _slbenfica2223a |
| Leftarm2: | FDBC02 |
| Body2: | FDBC02 |
| Rightarm2: | FDBC02 |
| Shorts2: | 000000 |
| Socks2: | FDBC02 |
| Pattern La3: | _benfica2223t |
| Pattern B3: | _benfica2223T |
| Pattern Ra3: | _benfica2223t |
| Pattern Sh3: | _adidaswhite |
| Pattern So3: | _3_stripes_red |
| Shorts3: | EF0000 |
| Socks3: | FFFFFF |
| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
The 2022–23 Sport Lisboa e Benfica "B" season was the team's 18th season in existence and their 10th consecutive one in the second division of Portuguese football. The season covered the period from 1 July 2022 to 30 June 2023.
See main article: 2022–23 Liga Portugal 2.
The league fixtures were announced on 5 July 2022.[9]