Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 01.01.2022 | D. Maeda | — | Celtic | Loan |
| 01.01.2022 | R. Hatate | — | Celtic | N/A |
| 31.12.2021 | E. Henderson | Hibernian | Celtic | N/A |
| 25.12.2021 | J. Dawson | — | Celtic | Free |
| 01.10.2021 | K. McInroy | Celtic | — | Loan |
| 17.09.2021 | L. Connell | Celtic | — | Loan |
| 10.09.2021 | Leigh Griffiths | Celtic | Dundee | N/A |
| 01.09.2021 | O. Ntcham | Celtic | — | N/A |
| 01.09.2021 | G. Giakoumakis | — | Celtic | N/A |
| 31.08.2021 | O. Édouard | Celtic | Crystal Palace | € 18.5M |
| 31.08.2021 | Jota | Benfica | Celtic | Loan |
| 31.08.2021 | L. O'Connor | Celtic | — | Loan |
| 31.08.2021 | R. Christie | Celtic | Bournemouth | N/A |
| 30.08.2021 | S. Robertson | Celtic | — | Loan |
| 27.08.2021 | L. Scales | — | Celtic | N/A |
| 21.08.2021 | J. Juranović | Legia Warszawa | Celtic | Free |
| 04.08.2021 | R. Doohan | Celtic | — | Loan |
| 03.08.2021 | J. McCarthy | Crystal Palace | Celtic | Free |
| 03.08.2021 | J. Hart | Tottenham | Celtic | € 1.2M |
| 28.07.2021 | B. Coffey | Celtic | — | Loan |
| 23.07.2021 | M. Shved | Celtic | KV Mechelen | N/A |
| 21.07.2021 | K. Ajer | Celtic | Brentford | € 15.7M |
| 21.07.2021 | C. Starfelt | — | Celtic | € 5M |
| 16.07.2021 | K. Furuhashi | — | Celtic | N/A |
| 09.07.2021 | V. Bayo | Celtic | Gent | N/A |
| 01.07.2021 | O. Urhoghide | — | Celtic | Free |
| 01.07.2021 | S. Duffy | Celtic | Brighton | N/A |
| 01.07.2021 | M. Shved | KV Mechelen | Celtic | N/A |
| 01.07.2021 | J. Kenny | Celtic | Everton | N/A |
| 01.07.2021 | K. McInroy | — | Celtic | N/A |
| 01.07.2021 | O. Ntcham | Marseille | Celtic | N/A |
| 01.07.2021 | V. Bayo | Toulouse | Celtic | N/A |
| 01.07.2021 | L. Connell | — | Celtic | N/A |
| 01.07.2021 | B. Bolingoli-Mbombo | Istanbul Basaksehir | Celtic | N/A |
| 01.07.2021 | L. O'Connor | — | Celtic | N/A |
| 01.07.2021 | R. Doohan | Dundee Utd | Celtic | Free |
| 01.07.2021 | Scott Brown | Celtic | Aberdeen | Swap |
| 01.07.2021 | B. Coffey | — | Celtic | N/A |
| 01.07.2021 | M. Elyounoussi | Celtic | Southampton | N/A |
| 15.06.2021 | L. Shaw | — | Celtic | € 345K |
| 01.06.2021 | E. Henderson | — | Celtic | N/A |
| 01.06.2021 | J. Afolabi | Dundee | Celtic | N/A |
| 31.05.2021 | S. Robertson | — | Celtic | N/A |
| 26.04.2021 | E. Perez | Celtic | — | N/A |
| 24.04.2021 | R. Doohan | Celtic | Dundee Utd | Free |
| 22.04.2021 | P. Klimala | Celtic | — | N/A |
| 26.03.2021 | E. Henderson | Celtic | — | Loan |
| 18.03.2021 | L. Connell | Celtic | — | Loan |
| 09.03.2021 | A. Gutman | Celtic | — | Free |
| 05.03.2021 | C. Harper | Celtic | — | N/A |