Union Berlin
—
E. Latte Lath
Atlanta United FCLoan1 Aug 2026
Marvin Friedrich
Borussia MönchengladbachFree agent30 Jun 2026
Z. Van Den Bosch
AntwerpFree agent30 Jun 2026
L. Vulin
Union Berlin U19—30 Jun 2026
O. EngelUnion Berlin—30 Jun 2026
S. Nsoki
1899 HoffenheimTransfer30 Jun 2026- Marvin FriedrichBorussia MönchengladbachFree agent29 Jun 2026
Y. Stein
SV Babelsberg 03Return from loan29 Jun 2026
C. Bedia
BSC Young BoysReturn from loan29 Jun 2026
Marin Ljubičić
Fortuna DüsseldorfReturn from loan29 Jun 2026- Z. Van Den BoschAntwerpFree agent29 Jun 2026
Oluwaseun Ogbemudia
Waldhof MannheimReturn from loan29 Jun 2026
Julien Friedrich
AltglienickeReturn from loan29 Jun 2026- S. Nsoki1899 HoffenheimTransfer29 Jun 2026
László Bénes
KayserisporReturn from loan29 Jun 2026
Derrick Köhn
GalatasarayTransfer19 Aug 2025- Derrick KöhnGalatasarayTransfer18 Aug 2025
Dmytro Bogdanov
Dynamo DresdenTransfer12 Aug 2025- S. Nsoki1899 HoffenheimLoan23 Jul 2025
- S. Ali——18 Jul 2025
- C. Bedia
Al NasrTransfer15 Jul 2026 
Alex Král
FC CopenhagenFree agent15 Jul 2026- C. BediaAl NasrTransfer14 Jul 2026
Danilho Doekhi
LazioFree agent13 Jul 2026
Tom Wisbereit
FC AugsburgFree agent13 Jul 2026- Danilho DoekhiLazioFree agent12 Jul 2026
- Tom WisbereitFC AugsburgFree agent12 Jul 2026
David Preu
Stuttgart II—1 Jul 2026- David PreuStuttgart II—30 Jun 2026
- László Bénes
GentTransfer30 Jun 2026 - Y. Stein
Hansa RostockTransfer30 Jun 2026 - O. EngelUnion Berlin—30 Jun 2026
- Leon Prosche
Erzgebirge AUELoan30 Jun 2026 - László BénesGentTransfer29 Jun 2026
- Alex Král—Free agent29 Jun 2026
Christopher Trimmel—Free agent29 Jun 2026- Danilho Doekhi—Free agent29 Jun 2026
Diogo Leite—Free agent29 Jun 2026- Y. SteinHansa RostockTransfer29 Jun 2026
Rani Khedira—Free agent29 Jun 2026