Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 10.02.2021 | H. Elhamed | Celtic | Hapoel Beer Sheva | N/A |
| 01.02.2021 | J. Kenny | Everton | Celtic | Loan |
| 01.02.2021 | O. Ntcham | Celtic | Marseille | Loan |
| 30.01.2021 | B. Coffey | Celtic | — | Loan |
| 29.01.2021 | S. Robertson | Celtic | — | Loan |
| 27.01.2021 | J. Frimpong | Celtic | Bayer Leverkusen | € 11M |
| 22.01.2021 | L. Hjelde | Celtic | — | N/A |
| 12.01.2021 | S. Robertson | — | Celtic | N/A |
| 11.01.2021 | R. Doohan | — | Celtic | N/A |
| 01.01.2021 | A. Gutman | — | Celtic | N/A |
| 30.11.2020 | E. Perez | — | Celtic | N/A |
| 13.11.2020 | D. Church | Celtic | — | N/A |
| 05.10.2020 | D. Laxalt | AC Milan | Celtic | Loan |
| 29.09.2020 | J. Afolabi | Celtic | Dundee | Loan |
| 22.09.2020 | K. McInroy | Celtic | — | Loan |
| 13.09.2020 | B. Bolingoli-Mbombo | Celtic | Istanbul Basaksehir | Loan |
| 09.09.2020 | S. Robertson | Celtic | — | Loan |
| 02.09.2020 | S. Duffy | Brighton | Celtic | Loan |
| 27.08.2020 | D. Turnbull | Motherwell | Celtic | N/A |
| 17.08.2020 | L. O'Connor | Celtic | — | Loan |
| 15.08.2020 | M. Shved | Celtic | KV Mechelen | Loan |
| 13.08.2020 | A. Ajeti | West Ham | Celtic | N/A |
| 12.08.2020 | V. Bayo | Celtic | Toulouse | Loan |
| 01.08.2020 | R. Doohan | Celtic | — | Loan |
| 01.08.2020 | F. Forster | Celtic | Southampton | N/A |
| 30.07.2020 | V. Barkas | AEK Athens FC | Celtic | N/A |
| 01.07.2020 | Data not available | Celtic | — | — |
| 01.07.2020 | R. Doohan | — | Celtic | N/A |
| 01.07.2020 | M. Bauer | Celtic | — | N/A |
| 01.07.2020 | A. Ralston | — | Celtic | N/A |
| 01.07.2020 | C. Gordon | Celtic | Heart Of Midlothian | Free |
| 01.07.2020 | Kundai Leroy Jeremiah Benyu | Celtic | — | Free |
| 01.07.2020 | J. Hayes | Celtic | Aberdeen | Free |
| 01.07.2020 | E. Kouassi | Celtic | Genk | N/A |
| 01.07.2020 | C. Hazard | Dundee | Celtic | N/A |
| 01.07.2020 | J. Afolabi | — | Celtic | N/A |
| 01.06.2020 | K. McInroy | — | Celtic | N/A |
| 17.02.2020 | Data not available | — | Celtic | Loan |
| 05.02.2020 | E. Perez | Celtic | — | Loan |
| 01.02.2020 | Kundai Leroy Jeremiah Benyu | — | Celtic | N/A |
| 01.02.2020 | D. Church | — | Celtic | N/A |
| 31.01.2020 | L. Morgan | Celtic | — | N/A |
| 31.01.2020 | G. Savoury | Celtic | — | Loan |
| 27.01.2020 | J. Afolabi | Celtic | — | Loan |
| 27.01.2020 | C. Hazard | Celtic | Dundee | Loan |
| 24.01.2020 | E. Henderson | — | Celtic | N/A |
| 24.01.2020 | S. Welsh | — | Celtic | N/A |
| 23.01.2020 | E. Kouassi | Celtic | Genk | Loan |
| 22.01.2020 | J. Hendry | Celtic | — | Loan |
| 22.01.2020 | I. Soro | — | Celtic | N/A |