1.FSV Mainz 05
- Squad size: 27
- Average age: 26.7
- Foreigners: 11 40.7 %
- National team players: 7
- Stadium: Mewa Arena 33.305 Seats
- Current transfer record: +€13.55m
National team players
Internationals club
| Player | Age | National team | Debut | Market value | |||||
|---|---|---|---|---|---|---|---|---|---|
| 30 |  Austria | 11 | - | Sep 4, 2021 | €1.80m | |||
| 27 |  Norway | 15 | - | Nov 18, 2020 | €9.00m | |||
| 20 |  Germany | - | - | €20.00m | ||||
| 28 |  Switzerland | 30 | 2 | Nov 13, 2016 | €3.50m | |||
| 24 |  Luxembourg | 56 | 2 | Mar 22, 2018 | €17.00m | |||
| 31 | Switzerland | 41 | 3 | Oct 14, 2014 | €3.00m | |||
| 31 |  South Korea | 84 | 10 | Mar 27, 2015 | €2.50m |
Current youth national players
This overview lists the club's current junior national team players. Players shaded in green were nominated for the last match of the respective junior national team.
| Player | Age | National team | Goals | Debut | Market value | ||||
|---|---|---|---|---|---|---|---|---|---|
| 19 | Germany U21 | 3 | - | Jun 22, 2023 | €5.00m | |||
| 20 | Germany U21 | 7 | 1 | Sep 8, 2023 | €20.00m | |||
| 23 | Germany U21 | 5 | 1 | Mar 24, 2023 | €1.50m | |||
| 22 |  Netherlands U21 | 8 | 1 | Oct 12, 2021 | €12.00m | |||
| 22 | Germany U21 | 14 | 3 | Sep 2, 2021 | €4.00m |
