Celtic
UEFA Europa League · #28 / 36Manager: M. O'Neill
J. Lotomba
FeyenoordTransfer?1 Sept 2026
S. Johnstone
WolvesLoan—1 Sept 2026
J. van den Berg
Jong PSV U21Transfer—1 Sept 2026
Shumaira Mheuka
ChelseaLoan—1 Sept 2026
L. EmenaloChelseaLoan—1 Sept 2026
O. Sørensen
ParmaLoan—31 Aug 2026
M. Baur
SC Paderborn 07Transfer€6.30m12 Aug 2026
H. Hassan
OviedoTransfer€7.00m11 Aug 2026
K. Høgh
Bodo/GlimtTransfer€12.85m27 Jul 2026
C. Durán
QarabagTransfer€5.50m9 Jul 2026
S. McGarry
Cliftonville FC——30 Jun 2026- H. Inamura
FC TokyoReturn from loan—29 Jun 2026 
M. Nawrocki
Hannover 96Return from loan—29 Jun 2026
S. Yamada
Preußen MünsterReturn from loan—29 Jun 2026
J. Kenny
BoltonReturn from loan—29 Jun 2026
L. Palma
Lech PoznanReturn from loan—29 Jun 2026
Jude Bonnar
Ayr UtdReturn from loan—30 May 2026
L. Kennedy
East KilbrideLoan—2 Sept 2026- J. Kenny
PrestonTransfer€3.50m31 Aug 2026 
R. Hatate
BurnleyTransfer€8.75m31 Aug 2026
M. Balikwisha
GentLoan—28 Aug 2026- Jude Bonnar
ArbroathLoan—20 Aug 2026 
Kyle Ure
CreweLoan—20 Aug 2026
Thomas HattonAyr UtdLoan—19 Aug 2026
Adam Montgomery
LivingstonLoan—17 Aug 2026
A. Engels
West HamTransfer€25.75m14 Aug 2026- R. Ferns
Finn HarpsFree agent—13 Aug 2026 
Paulo Bernardo
Gornik ZabrzeLoan—3 Aug 2026
D. Maeda
IpswichTransfer€9.40m24 Jul 2026- M. Nawrocki
LensTransfer€2.50m16 Jul 2026 
K. Ịheanachọ
BursasporFree agent—16 Jul 2026- Filip Skorb
Lecce U20——14 Jul 2026 - S. Yamada
OH LeuvenLoan—13 Jul 2026 
S. Welsh
SwanseaTransferFree transfer30 Jun 2026