| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | 12 | Stian Bolstad | 1996-09-12 | 185 | 75 | ||
| GK | 1 | Tarjei Omenås | 1992-02-02 | 190 | 90 | ||
| D | 20 | Aleksander Melgavis | 1989-08-10 | 178 | - | 2016-12-31 | |
| D | 6 | Fredrik Nilsen | 1988-03-23 | 177 | 75 | 2016-12-31 | |
| D | 21 | Johannes Grödtlien | 1996-09-04 | 187 | - | ||
| D | 4 | Kristian Jahr | 1989-05-15 | 189 | 79 | 2016-12-31 | |
| D | 23 | Pål Steffen Andresen | 1982-05-19 | 188 | 80 | 2016-12-31 | |
| D | 5 | Steinar StrömnesC | 1989-03-19 | 186 | 75 | 2016-12-31 | |
| D | Sverre Bjørkkjær | 1996-07-12 | 170 | 60 | 2018-12-31 | ||
| D | 3 | Thor Lange | 1993-08-04 | 184 | 76 | 2016-12-31 | |
| M | 16 | Espen Rødsand | 1994-02-04 | 176 | 74 | 2016-12-31 | |
| M | 9 | Markus Brændsrød | 1995-09-06 | 173 | 65 | ||
| M | 18 | Mathias Blarud | 1995-06-06 | 182 | 81 | 2016-12-31 | |
| M | 8 | Mustapha Achrifi | 1987-03-04 | 180 | 82 | 2016-12-31 | |
| M | 88 | Stian Rasch | 1987-03-10 | 171 | 70 | ||
| M | 14 | Ulrich Ness | 1996-10-28 | 179 | 72 | ||
| F | 19 | Joy-Slayd Mickels | 1994-03-29 | 181 | 2016-12-31 | ||
| F | 17 | Kristian Emil Björndalen | 1997-04-04 | 180 | 70 | 2017-12-31 | |
| F | 82 | Madiou Konate | 1982-01-12 | 173 | 72 | 2016-12-31 | |
| F | 33 | Martin Tröen | 1995-04-01 | - | - | ||
| F | 11 | Nasir Dernjani | 1995-05-04 | ||||
| F | 22 | Ole Marius Aasen | 1991-11-30 | 183 | 78 |
| Date | Home Team | Score | Away Team | Tournament |
|---|---|---|---|---|
| 15/05/2021 | Strømmen IF | 1 - 1 | Raufoss IL | OBOS-ligaen |
| 20/05/2021 | Grorud IL | 1 - 0 | Strømmen IF | OBOS-ligaen |
| 30/05/2021 | Strømmen IF | 0 - 0 | Ranheim IL | OBOS-ligaen |
| 12/06/2021 | Ham-Kam | 2 - 0 | Strømmen IF | OBOS-ligaen |
| 18/06/2021 | Strømmen IF | 1 - 0 | Åsane | OBOS-ligaen |
| 22/06/2021 | FK Jerv | 1 - 1 | Strømmen IF | OBOS-ligaen |
| 05/07/2021 | Sogndal IL | 1 - 1 | Strømmen IF | OBOS-ligaen |
| 17/07/2021 | Ullensaker-Kisa IL | 0 - 0 | Strømmen IF | OBOS-ligaen |
| 18/08/2021 | Sandnes Ulf | 3 - 2 | Strømmen IF | OBOS-ligaen |
| 23/08/2021 | Strømmen IF | 0 - 0 | Aalesunds FK | OBOS-ligaen |
| 11/09/2021 | Strømmen IF | 2 - 3 | FK Jerv | OBOS-ligaen |
| 18/09/2021 | Strømmen IF | 0 - 0 | Ham-Kam | OBOS-ligaen |
| 25/09/2021 | Aalesunds FK | 3 - 2 | Strømmen IF | OBOS-ligaen |
| 02/10/2021 | Ranheim IL | 5 - 2 | Strømmen IF | OBOS-ligaen |
| 16/10/2021 | Strømmen IF | 2 - 2 | Sandnes Ulf | OBOS-ligaen |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 31.Dec | Olav Øby (M) | Strømmen IF | Sarpsborg 08 | Confirmed | |
| 18.Aug | Markus Nakkim (D) | Strømmen IF | Vålerenga IF | Confirmed | |
| 17.Mar | Peter Nergaard (M) | Strømmen IF | Ljungskile SK | Confirmed | |
| 5.Mar | Viktor Adebahr (M) | Free Agent | Strømmen IF | Confirmed | |
| 25.Jan | Olav Øby (M) | Sarpsborg 08 | Strømmen IF | Confirmed |