Holstein Kiel
—
G. Balzi
Newells Old BoysTransfer12 Jul 2026- G. BalziNewells Old BoysTransfer11 Jul 2026
F. Alidou
1. FC KaiserslauternFree agent5 Jul 2026- F. Alidou1. FC KaiserslauternFree agent4 Jul 2026
S. Schonlau
Vancouver WhitecapsFree agent3 Jul 2026- S. SchonlauVancouver WhitecapsFree agent2 Jul 2026
Giorgi Kvilitaia
MetzFree agent30 Jun 2026
B. Schmit
Eintracht TrierFree agent30 Jun 2026
Hiroki Sekine
ReimsLoan30 Jun 2026
T. Abe
V-varen NagasakiLoan30 Jun 2026
Max Geschwill
1. FC MagdeburgReturn from loan29 Jun 2026
T. Puchacz
Sabah FAReturn from loan29 Jun 2026
M. Cvjetinović
Energie CottbusReturn from loan29 Jun 2026- L. Köster
VfL BochumReturn from loan29 Jun 2026 - L. Prasse
FSV ZwickauReturn from loan29 Jun 2026 - Giorgi KvilitaiaMetzFree agent29 Jun 2026
- A. Jakupovic
BravoTransfer13 Jan 2026 
Jonas Meffert
Hamburger SVTransfer2 Jan 2026
Umut Tohumcu
1899 HoffenheimLoan1 Jan 2026- F. Boelter
SV Drochtersen/Assel—30 Sept 2025
- N. Niehoff
SCR AltachLoan17 Jul 2026 
T. Doğan
TSV SteinbachTransfer16 Jul 2026- T. DoğanTSV SteinbachTransfer15 Jul 2026
- Max Geschwill
Rot-weiss EssenTransfer7 Jul 2026 - Max GeschwillRot-weiss EssenTransfer6 Jul 2026
Marco Komenda
Arka GdyniaTransfer30 Jun 2026- T. PuchaczSabah FATransfer30 Jun 2026
- M. Cvjetinović
FC SaarbrückenLoan30 Jun 2026 
Stefan Schwab
RiedFree agent30 Jun 2026- L. Köster
Alemannia AachenTransfer30 Jun 2026 
J. Krumrey
VfL OsnabrückLoan30 Jun 2026- L. Prasse
SV MeppenLoan30 Jun 2026 - Umut Tohumcu1899 HoffenheimReturn from loan29 Jun 2026
Steven Skrzybski—Free agent29 Jun 2026
Patrick Erras—End of career29 Jun 2026- Marco KomendaArka GdyniaTransfer29 Jun 2026
Carl Johansson—Free agent29 Jun 2026- T. PuchaczSabah FATransfer29 Jun 2026
- Stefan SchwabRiedFree agent29 Jun 2026
- L. KösterAlemannia AachenTransfer29 Jun 2026