| Clubname: | Panathinaikos B |
| Fullname: | Panathinaikos Football Club "B" |
| Nickname: | Οι Πράσινοι-I Prasini (The Greens) Το Τριφύλλι-To Tryfili (The Shamrock) |
| Founded: | 2021 |
| Dissolved: | 2024 |
| Ground: | Various |
| Season: | 2023–24 |
| Position: | Super League Greece 2, 11th (relegated) |
| Website: | https://www.pao.gr/category/panathinaikos-b-news/ |
Panathinaikos Football Club B, known as Panathinaikos B, (Greek: ΠΑΕ Παναθηναϊκός B) was a Greek football club based in Athens, Greece. Founded in 2021, they play as the reserve team of Panathinaikos in the Super League Greece 2.
Panathinaikos B was one of four reserve teams givens approval from the EPO (Hellenic Football Association) to play in the second division.[1] Panathinaikos B was helped young footballers get promoted to the team of Panathinaikos Athens.