Gustav Kjølstad Nyheim (born 13 February 2006) is a Norwegian footballer who plays as a forward for Lillestrøm.
On 25 July 2021, Nyheim made his debut for Molde in the cup, coming on as a 74th-minute substitute for Fredrik Aursnes.
On 29 November 2025, Molde announced that Nyheim had decided not to renew his contract, which expires at the end of the season, and would leave the club to sign for Lillestrøm, with the newly promoted club announcing that he had signed a four-year contract.
| Season | Team | Competition | Apps | St | Min | G | A | ||
|---|---|---|---|---|---|---|---|---|---|
| 2026-2027 | Lillestrøm |
UEFA Europa League | 5 | 5 | 450 | 0 | 0 | 2 | 0 |
| Total | 5 | 5 | 450 | 0 | 0 | 2 | 0 | ||
