| 2026-10-03 | N. Dovedan | Iraklis 1908 → Zemun | - |
| 2026-09-28 | G. Konstantakopoulos | Iraklis 1908 → Larisa | Free agent |
| 2026-09-14 | Xande Silva | Hapoel Tel Aviv → Iraklis 1908 | Free agent |
| 2026-09-02 | M. Heinrich | Iraklis 1908 → SSV Ulm 1846 | Free agent |
| 2026-08-31 | G. Konstantakopoulos | Iraklis 1908 → Larisa | Free agent |
| 2026-08-29 | G. Marchegiani | Iraklis 1908 → Hamrun Spartans | Free agent |
| 2026-08-26 | R. Lauritsen | Brondby → Iraklis 1908 | Free agent |
| 2026-08-25 | Ilias Moysidis | Iraklis 1908 → Panserraikos | Loan |
| 2026-08-25 | Y. Bárcenas | Mazatlán → Iraklis 1908 | Free agent |
| 2026-08-19 | M. D'Ausilio | Iraklis 1908 → Avellino | Return from loan |
| 2026-08-12 | Pedro Marques | Maritimo → Iraklis 1908 | Free agent |
| 2026-08-12 | Pedro Marques | Apollon Limassol → Iraklis 1908 | Free agent |
| 2026-08-11 | N. Radoja | Cultural Leonesa → Iraklis 1908 | Free agent |
| 2026-08-07 | Nanu | Apoel Nicosia → Iraklis 1908 | Free agent |
| 2026-08-05 | G. Prountzos | Iraklis 1908 → Apollon Pontou | Free agent |
| 2026-07-30 | Vitor Meer | Apoel Nicosia → Iraklis 1908 | Loan |
| 2026-07-26 | Ivi López | Raków Częstochowa → Iraklis 1908 | Free agent |
| 2026-07-24 | E. Koljić | Rapid → Iraklis 1908 | Free agent |
| 2026-07-23 | J. Hromada | Rapid → Iraklis 1908 | Free agent |
| 2026-07-22 | A. Korça | Dubrava Zagreb → Iraklis 1908 | Free agent |
| 2026-07-22 | Y. Roche | Petrolul Ploiesti → Iraklis 1908 | Free agent |
| 2026-07-21 | Georgios Karakasidis | Panathinaikos → Iraklis 1908 | Free agent |
| 2026-07-21 | G. Konstantakopoulos | Kifisia → Iraklis 1908 | Free agent |
| 2026-07-19 | F. Durmishaj | Iraklis 1908 → Cukaricki | Free agent |
| 2026-07-15 | M. Deletić | Iraklis 1908 → Dongguan United | Free agent |
| 2026-07-15 | Carlos Rodriguez | Real Madrid → Iraklis 1908 | Free agent |
| 2026-07-14 | Daniel Muñoz Navas | Atletico Madrid → Iraklis 1908 | Free agent |
| 2026-07-14 | D. Munoz | Atlético Madrid II → Iraklis 1908 | Free agent |
| 2026-07-13 | S. Souloukos | Iraklis 1908 → Panserraikos | Free agent |
| 2026-07-09 | P. Vouros | Apollon Limassol → Iraklis 1908 | Free agent |
| 2026-07-08 | P. Kynigopoulos | Iraklis 1908 → Olympiakos | Free agent |
| 2026-07-07 | M. D'Ausilio | Avellino → Iraklis 1908 | Loan |
| 2026-07-06 | Piña | Huesca → Iraklis 1908 | Free agent |
| 2026-07-02 | G. Sideras | Iraklis 1908 → PAOK | Free agent |
| 2026-07-02 | V. Sourlis | Larisa → Iraklis 1908 | Free agent |
| 2026-07-01 | G. Athanasiadis | Aris Thessalonikis → Iraklis 1908 | Free agent |
| 2026-06-30 | Dimitrios Stournaras | Iraklis 1908 → Olympiakos Piraeus | Free agent |
| 2026-06-30 | G. Marchegiani | Iraklis 1908 → Hamrun Spartans | Free agent |
| 2026-06-30 | F. Durmishaj | Iraklis 1908 → Cukaricki | Free agent |
| 2026-06-30 | T. Macheras | Iraklis 1908 → Niki Volos | Free agent |
| 2026-06-30 | K. Kaïboué | Amiens → Iraklis 1908 | Free agent |
| 2026-06-30 | Antonis Anastasiou | Iraklis 1908 → Kallithea | Free agent |
| 2026-06-29 | V. Vitlis | Iraklis 1908 → Vitlis Vasilios | Free agent |
| 2026-06-29 | V. Vitlis | Iraklis 1908 → Anagennisi Karditsas | Free agent |
| 2026-06-29 | S. Katsikas | Iraklis 1908 → Volos NFC | Return from loan |
| 2026-06-29 | H. Fofana | Iraklis 1908 → AEK Athens FC B | Return from loan |
| 2026-06-29 | H. Fofana | Iraklis 1908 → AEK Athens FC | Return from loan |
| 2026-06-29 | S. Souloukos | Iraklis 1908 → Panserraikos | Free agent |
| 2026-06-29 | T. Macheras | Iraklis 1908 → Macheras Theodosis | Free agent |
| 2026-06-29 | A. Oues | Iraklis 1908 → Oues Abdul Rahman | Free agent |
| 2026-06-29 | A. Oues | Iraklis 1908 → Anagennisi Karditsas | Free agent |
| 2026-06-29 | P. Tzimas | Iraklis 1908 → Kifisia | Return from loan |
| 2026-06-29 | Georgios Karakasidis | Iraklis 1908 → Panathinaikos | Return from loan |
| 2026-06-29 | P. Panagiotidis | Iraklis 1908 → Panagiotidis Panagiotis | Free agent |
| 2026-06-29 | Stelios Papageorgiou | Iraklis 1908 → Papageorgiou Stelios | Free agent |
| 2026-06-29 | Stelios Papageorgiou | Iraklis 1908 → Asteras Tripolis II | - |
| 2026-06-29 | Nikolaos Anastasiadis | Iraklis 1908 → Anastasiadis Nikolaos | Free agent |
| 2026-06-29 | G. Nikopolidis | Iraklis 1908 → Kifisia | Return from loan |
| 2026-06-29 | E. Koljić | Rapid → Iraklis 1908 | Free agent |
| 2026-06-29 | G. Manalis | Iraklis 1908 → Panionios | Free agent |
| 2026-06-29 | Stephen Hammond | Iraklis 1908 → Levadiakos | Return from loan |
| 2026-06-29 | R. Nizet | FC Noah → Iraklis 1908 | Free agent |
| 2026-06-29 | Pedro Marques | Apollon Limassol → Iraklis 1908 | Free agent |
| 2026-06-29 | P. Tsintotas | Asteras Tripolis → Iraklis 1908 | Free agent |
| 2026-06-29 | G. Konstantakopoulos | Kifisia → Iraklis 1908 | Free agent |
| 2026-06-29 | Carles Soria | Volos NFC → Iraklis 1908 | Free agent |
| 2026-03-04 | J. Poé | Iraklis 1908 → Irtysh | - |
| 2026-02-02 | Ilias Moysidis | Iraklis 1908 → Kampaniakos Chalastra | Loan |
| 2026-01-22 | P. Tzimas | Kifisia → Iraklis 1908 | Loan |
| 2026-01-21 | O. Koroma | Ayia Napa → Iraklis 1908 | Free agent |
| 2026-01-20 | M. Krainz | Enosis → Iraklis 1908 | Free agent |
| 2026-01-12 | G. Prountzos | Volos NFC → Iraklis 1908 | Free agent |
| 2026-01-01 | Amr Warda | Larisa → Iraklis 1908 | Free agent |
33G. AthanasiadisPortero · 32
1Georgios KarakasidisPortero · 20
16P. TsintotasPortero · 32
4S. ChaklaDefensa · 32
44R. LauritsenDefensa · 29
23Daniel Muñoz NavasDefensa · 17
31NanuCentrocampista · 32
18R. NizetDefensa · 23
21PiñaDefensa · 31
69Y. RocheDefensa · 28
30Carles SoriaCentrocampista · 29
3Vitor MeerDefensa · 21
2P. VourosDefensa · 30
17Nikolaos AnastasiadisCentrocampista · 22
14J. HromadaCentrocampista · 29
22K. KaïbouéDefensa · 27
27M. KrainzCentrocampista · 28
11Ivi LópezCentrocampista · 31
8N. RadojaCentrocampista · 32
6Carlos RodriguezCentrocampista · 22
90V. SourlisCentrocampista · 23
25Efstratios TachmetzidisCentrocampista · 18
10Y. BárcenasCentrocampista · 32
7E. KoljićDelantero · 30
9K. KushtaDelantero · 28
43Pedro MarquesDelantero · 28
12Xande SilvaCentrocampista · 29
97A. ŽulevičDelantero · 18