| lipiec 11 2018 |  H. Anteroinen | FC Kouvola |  FK Kretinga (Wypożyczenie) | (RSD263 186) |
| lipiec 10 2018 | F. Manner | FC Kouvola |  Zonguldakspor (Wypożyczenie) | (RSD161 514) |
| lipiec 10 2018 |  M. Ceriņš | FC Kouvola | IFK Helsingfors | RSD286 090 992 |
| lipiec 8 2018 |  H. Biörk | FC Kouvola |  FC Barcelona | RSD43 453 504 |
| lipiec 6 2018 | G. Hagg | FC Kouvola | Nic | RSD25 000 000 |
| lipiec 5 2018 |  G. Chantrel | FC Kouvola |  Pingdingshan #3 | RSD522 222 666 |
| lipiec 4 2018 |  M. Ringwood | FC Kouvola |  Club Atletic Oradea 1910 | RSD74 757 840 |
| lipiec 3 2018 | V. Annukka | FC Kouvola |  Cocodrilos | RSD45 073 680 |
| lipiec 3 2018 | B. Valkki | FC Kouvola | FC Ajoin | RSD34 368 790 |
| lipiec 2 2018 |  M. Teleki | FC Kouvola |  Stoke United #2 | RSD23 250 000 |
| maj 20 2018 |  S. Di Grande | FC Kouvola | Nic | RSD12 000 000 |
| maj 13 2018 | H. Anteroinen | FC Kouvola |  Kópavogur #4 (Wypożyczenie) | (RSD146 273) |
| maj 12 2018 |  Á. Solsona | FC Kouvola |  Panamá City #7 (Wypożyczenie) | (RSD178 870) |
| marzec 30 2018 |  I. Pecchia | FC Kouvola |  Les Licornes Blanches | RSD69 591 879 |
| marzec 28 2018 | U. Mirwald | FC Schwaz | FC Kouvola | RSD10 189 320 |
| marzec 23 2018 |  P. Kondrup | FC Kouvola | FC Joensuu (Wypożyczenie) | (RSD205 270) |
| marzec 23 2018 | B. Valkki | FC Kouvola | Peterlee United (Wypożyczenie) | (RSD264 421) |
| marzec 21 2018 | M. Ceriņš | Nopietnie | FC Kouvola | RSD325 530 729 |
| luty 28 2018 | C. Kryger | FC Kouvola | FC Nokia | RSD10 765 036 |
| luty 28 2018 | O. Beltrão | FC Kouvola | Burnham-on-Sea United #2 | RSD12 140 923 |
| luty 26 2018 |  B. Kirshbaum | FC Kouvola |  FK Brno #9 | RSD15 592 550 |
| luty 5 2018 | M. Aaritalo | FC Kouvola | FC Helsinki #11 | RSD4 222 197 |
| luty 3 2018 | U. Bernardes | FC Kouvola |  Isla Mare | RSD55 296 581 |
| luty 2 2018 | B. Valkki | FC Kouvola | Borlänge FF #3 (Wypożyczenie) | (RSD143 844) |
| luty 1 2018 | G. Chantrel | FC Granacher | FC Kouvola | RSD421 313 102 |
