AC Oulu 2021
| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | 30 | Johannes Wentin | 1990-12-01 | 187 | 78 | 2017-12-31 +1 | |
| GK | Juuso Särkelä | 1999-03-13 | 2017-12-31 | ||||
| D | 2 | Akseli Kalermo | 1997-03-17 | 190 | 2017-12-31 | ||
| D | 16 | Aleksi Lappalainen | 1995-07-06 | 173 | 72 | 2017-12-31 | |
| D | Eero-Matti Auvinen | 1996-03-05 | 188 | 2017-12-31 | |||
| D | 13 | Niilo Hautala | 1996-10-25 | 174 | 73 | 2017-12-31 | |
| D | Niko Ronkainen | 1999-11-03 | 2017-12-31 | ||||
| D | 19 | Samuli Leppälä | 1999-01-01 | 181 | 73 | 2017-12-31 | |
| M | 29 | Jair | 1994-08-03 | 174 | 65 | 2018-12-31 | |
| M | 6 | Markus Heikkinen | 1978-10-13 | 185 | 84 | 2018-12-31 | |
| M | Matias Lindfors | 1997-02-15 | 182 | 2017-12-31 | |||
| M | Samuel Kurttila | 2000-04-08 | 2017-12-31 | ||||
| F | 21 | Juuso Kemppainen | 1996-03-24 | 174 | 68 | 2017-12-31 | |
| F | 8 | Petteri Pietola | 1996-06-25 | 173 | 72 | 2017-12-31 | |
| F | Titi Essomba | 1986-06-23 | 181 | 76 | 2017-12-31 | ||
| F | Tuomas Mustonen | 1985-06-04 | 175 | 75 | 2017-12-31 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 23.Dec | Eero-Matti Auvinen (D) | FC Haka | AC Oulu | Confirmed | |
| 23.Dec | Pekka Welling (F) | AC Oulu | Free Agent | Confirmed | |
| 23.Dec | Henry Mäkäräinen (M) | AC Oulu | Free Agent | Confirmed | |
| 23.Dec | Antti Peura (D) | AC Oulu | Retired | Confirmed | |
| 23.Dec | Iiro Vandell (D) | AC Oulu | Retired | Confirmed | |
| 19.Dec | Matias Lindfors (M) | FC KTP | AC Oulu | Confirmed | |
| 19.Dec | Titi Essomba (F) | OPS | AC Oulu | Confirmed | |
| 16.Dec | Tuomas Mustonen (F) | Helsingin IFK | AC Oulu | Confirmed | |
| 16.Dec | Tommi Lindholm (GK) | AC Oulu | Mikkelin Kissat | Confirmed | |
| 15.Dec | Akseli Kalermo (D) | AC Oulu | AC Oulu | Extension |