Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 14.05.2018 | J. McCart | — | Celtic | N/A |
| 01.05.2018 | J. Thomson | — | Celtic | N/A |
| 01.02.2018 | S. Bain | Dundee | Celtic | Loan |
| 01.02.2018 | J. Hendry | Dundee | Celtic | € 1.4M |
| 29.01.2018 | C. Musonda | Chelsea | Celtic | Loan |
| 04.01.2018 | R. Doohan | — | Celtic | N/A |
| 01.01.2018 | M. Compper | RB Leipzig | Celtic | N/A |
| 31.08.2017 | O. Édouard | Paris Saint Germain | Celtic | Loan |
| 28.08.2017 | P. Roberts | Manchester City | Celtic | Loan |
| 12.07.2017 | O. Ntcham | Manchester City | Celtic | € 4.3M |
| 01.07.2017 | Kundai Leroy Jeremiah Benyu | Ipswich | Celtic | Free |
| 01.07.2017 | C. McCabe | — | Celtic | N/A |
| 01.07.2017 | J. Hayes | Aberdeen | Celtic | N/A |
| 01.07.2017 | Lewis Bell | — | Celtic | N/A |
| 01.07.2017 | K. Ajer | Kilmarnock | Celtic | N/A |
| 08.05.2017 | P. McMullan | — | Celtic | N/A |
| 31.01.2017 | M. Duffy | Dundee | Celtic | N/A |
| 16.01.2017 | Kris Commons | Hibernian | Celtic | N/A |
| 12.01.2017 | E. Kouassi | — | Celtic | € 3.5M |
| 30.08.2016 | C. Gamboa | — | Celtic | € 1.2M |
| 13.08.2016 | Dorus de Vries | Nottingham Forest | Celtic | N/A |
| 07.08.2016 | S. Sinclair | Aston Villa | Celtic | € 4.1M |
| 24.07.2016 | Kolo Habib Touré | Liverpool | Celtic | Free |
| 04.07.2016 | Paul-Joseph Crossan | — | Celtic | N/A |
| 01.07.2016 | M. Dembélé | Fulham | Celtic | Free |
| 01.07.2016 | N. Çiftçi | — | Celtic | N/A |
| 01.07.2016 | E. O'Connell | — | Celtic | N/A |
| 01.07.2016 | K. Ajer | — | Celtic | € 600K |
| 30.06.2016 | Jordan Hart | — | Celtic | N/A |
| 01.06.2016 | A. Stokes | Hibernian | Celtic | N/A |
| 16.05.2016 | D. Fisher | — | Celtic | N/A |
| 01.02.2016 | P. Roberts | Manchester City | Celtic | Loan |
| 01.02.2016 | C. Kazim-Richards | Feyenoord | Celtic | N/A |
| 18.01.2016 | E. Sviatchenko | FC Midtjylland | Celtic | € 2.5M |
| 02.01.2016 | E. O'Connell | — | Celtic | N/A |
| 23.12.2015 | R. Christie | — | Celtic | N/A |
| 22.10.2015 | C. Cole | West Ham | Celtic | Free |
| 01.09.2015 | Jozo Šimunović | Dinamo Zagreb | Celtic | N/A |
| 28.08.2015 | T. Blackett | Manchester United | Celtic | Loan |
| 20.08.2015 | S. Allan | Hibernian | Celtic | N/A |
| 09.07.2015 | N. Çiftçi | Dundee Utd | Celtic | € 1.5M |
| 09.07.2015 | Logan Bailly | OH Leuven | Celtic | € 375K |
| 01.07.2015 | D. Boyata | Manchester City | Celtic | N/A |
| 25.06.2015 | L. Henderson | — | Celtic | N/A |
| 01.06.2015 | D. McGeouch | Hibernian | Celtic | N/A |
| 02.02.2015 | S. Armstrong | Dundee Utd | Celtic | N/A |
| 02.02.2015 | G. Mackay-Steven | Dundee Utd | Celtic | Free |
| 10.12.2014 | M. Fraser | — | Celtic | N/A |
| 04.09.2014 | J. Guidetti | Manchester City | Celtic | Loan |
| 01.09.2014 | S. Šćepović | — | Celtic | N/A |