Lillestrøm Sportsklubb (Eliteserien): every transfer in and out, fees paid and earned, squad market value, €6.6m spent and €19m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-04-30 | Lucas Svenningsen | Lillestrøm SK | Tromsdalen | Loan |
| 2026-03-19 | Uba Charles | Lillestrøm SK | Aalesunds FK | Free |
| 2026-03-04 | Ulrik Yttergård Jenssen | Rosenborg BK | Lillestrøm SK | Loan |
| 2026-03-02 | Vebjørn Hoff | Lillestrøm SK | Molde FK | Free |
| 2026-03-02 | John Kitolano | Aalesunds FK | Lillestrøm SK | Free |
| 2026-01-30 | Ylldren Ibrahimaj | HamKam | Lillestrøm SK | Free |
| 2026-01-30 | Sturla Ottesen | Without Club | Lillestrøm SK | — |
| 2026-01-30 | Pontus Dahlberg | IFK Göteborg | Lillestrøm SK | €250k |
| 2026-01-30 | Kristoffer Tønnessen | Lillestrøm SK | IK Start | Free |
| 2026-01-30 | Camil Jebara | Elfsborg | Lillestrøm SK | €260k |
| 2026-01-23 | Moctar Diop | Lillestrøm SK | KAA Gent | €1m |
| 2026-01-19 | Mads Hedenstad | Lillestrøm SK | Aarhus GF | Free |
| 2026-01-01 | Gustav Nyheim | Molde FK | Lillestrøm SK | Free |
| 2026-01-01 | Angelos Chaminta | Lillestrøm II | Lillestrøm SK | — |
| 2025-09-07 | Markus Wæhler | Lillestrøm SK | Mjøndalen | Loan |
| 2025-07-24 | Yaw Paintsil | Tromsø IL | Lillestrøm SK | €250k |
| 2025-07-21 | Kparobo Arierhi | Lillestrøm SK | Mjøndalen | Loan |
| 2025-07-17 | Linus Alperud | Örebro SK | Lillestrøm SK | €500k |
| 2025-05-28 | Lucas Svenningsen | Lillestrøm SK | Skeid | Loan |
| 2025-04-11 | Harald Woxen | Lillestrøm II | Lillestrøm SK | — |