| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| D | Anele Ngcongca | 1987-10-21 | 182 | 68 | 2018-06-30 | ||
| D | Aziz Ouattara Mohammed | 2001-04-01 | 2023-12-31 | ||||
| D | Jere Uronen | 1994-07-13 | 177 | 69 | 2018-06-30 | ||
| D | Neto Borges | 1996-09-13 | 183 | 2021-06-30 | |||
| D | Omar Colley | 1992-10-24 | 192 | 80 | 2019-06-30 + 2 opt.year | ||
| M | Tornike Okriashvili | 1992-02-12 | 181 | 71 | 2016-06-30 | ||
| F | Aleksandar Cavric | 1994-05-18 | 184 | 78 | 2017-06-30 | ||
| F | Benjamin Nygren | 2001-07-08 | 2020-12-31 | ||||
| F | José Naranjo | 1994-07-28 | 182 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 8.Jan | Aziz Ouattara Mohammed (D) | Hammarby IF | KRC Genk | Confirmed | |
| 11.Jul | Joseph Aidoo (D) | KRC Genk | Celta de Vigo | Confirmed | |
| 20.Jun | Benjamin Nygren (F) | IFK Göteborg | KRC Genk | Confirmed | |
| 3.Jan | Neto Borges (D) | Hammarby IF | KRC Genk | Confirmed | |
| 30.Jun | José Naranjo (F) | CD Leganés | KRC Genk | Confirmed | |
| 24.Jul | Joseph Aidoo (D) | Hammarby IF | KRC Genk | Confirmed | |
| 30.Jun | Mathew Ryan (GK) | KRC Genk | Valencia CF | Confirmed | |
| 31.Jan | Leon Bailey (F) | KRC Genk | Bayer 04 Leverkusen | Confirmed | |
| 30.Jan | Mathew Ryan (GK) | Valencia CF | KRC Genk | Confirmed | |
| 3.Jan | Wilfred Ndidi (M) | KRC Genk | Leicester City | Confirmed |